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145226974368 = 2537216111569
BaseRepresentation
bin1000011101000000110…
…0111100010010100000
3111212212010011200121110
42013100030330102200
54334411101134433
6150414422023320
713330600625430
oct2072014742240
9455763150543
10145226974368
1156654928373
1224190277b40
1310905760938
1470598d42c0
153b9ea5e963
hex21d033c4a0

145226974368 has 48 divisors (see below), whose sum is σ = 435680925120. Its totient is φ = 41493421056.

The previous prime is 145226974351. The next prime is 145226974369. The reversal of 145226974368 is 863479622541.

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

It is not an unprimeable number, because it can be changed into a prime (145226974369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108055113 + ... + 108056456.

It is an arithmetic number, because the mean of its divisors is an integer number (9076685940).

Almost surely, 2145226974368 is an apocalyptic number.

It is an amenable number.

145226974368 is an abundant number, since it is smaller than the sum of its proper divisors (290453950752).

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

145226974368 is a wasteful number, since it uses less digits than its factorization.

145226974368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216111589 (or 216111581 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 57.

The spelling of 145226974368 in words is "one hundred forty-five billion, two hundred twenty-six million, nine hundred seventy-four thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 216111569 432223138 648334707 864446276 1296669414 1512780983 1728892552 2593338828 3025561966 3457785104 4538342949 5186677656 6051123932 6915570208 9076685898 10373355312 12102247864 18153371796 20746710624 24204495728 36306743592 48408991456 72613487184 145226974368