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145945542769248 = 2538647175814279
BaseRepresentation
bin100001001011110010011000…
…001110111011101001100000
3201010202020221210220010202010
4201023302120032323221200
5123112132432422103443
61234222242354352520
742512134414004535
oct4113623016735140
9633666853803663
10145945542769248
1142559180112172
1214451282b8b740
1363587b4750121
142807b32814d8c
1511d15a263d733
hex84bc983bba60

145945542769248 has 48 divisors (see below), whose sum is σ = 383151357146880. Its totient is φ = 48642887922816.

The previous prime is 145945542769237. The next prime is 145945542769261. The reversal of 145945542769248 is 842967245549541.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 145945542769248.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87077028 + ... + 88737251.

It is an arithmetic number, because the mean of its divisors is an integer number (7982319940560).

Almost surely, 2145945542769248 is an apocalyptic number.

It is an amenable number.

145945542769248 is an abundant number, since it is smaller than the sum of its proper divisors (237205814377632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145945542769248 is a wasteful number, since it uses less digits than its factorization.

145945542769248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175822939 (or 175822931 counting only the distinct ones).

The product of its digits is 3483648000, while the sum is 75.

The spelling of 145945542769248 in words is "one hundred forty-five trillion, nine hundred forty-five billion, five hundred forty-two million, seven hundred sixty-nine thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 8647 17294 25941 34588 51882 69176 103764 138352 207528 276704 415056 830112 175814279 351628558 527442837 703257116 1054885674 1406514232 2109771348 2813028464 4219542696 5626056928 8439085392 16878170784 1520266070513 3040532141026 4560798211539 6081064282052 9121596423078 12162128564104 18243192846156 24324257128208 36486385692312 48648514256416 72972771384624 145945542769248