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145131068 = 2273349499
BaseRepresentation
bin10001010011010…
…00011000111100
3101010002102101202
420221220120330
5244123143233
622222355032
73411410435
oct1051503074
9333072352
10145131068
1174a17135
124072ba78
13240b5994
14153bc48c
15cb1bbe8
hex8a6863c

145131068 has 12 divisors (see below), whose sum is σ = 254331000. Its totient is φ = 72465072.

The previous prime is 145131047. The next prime is 145131113. The reversal of 145131068 is 860131541.

It is a self number, because there is not a number n which added to its sum of digits gives 145131068.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21818 + ... + 27681.

It is an arithmetic number, because the mean of its divisors is an integer number (21194250).

Almost surely, 2145131068 is an apocalyptic number.

It is an amenable number.

145131068 is a deficient number, since it is larger than the sum of its proper divisors (109199932).

145131068 is a wasteful number, since it uses less digits than its factorization.

145131068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50236 (or 50234 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 145131068 is about 12047.0356519768. The cubic root of 145131068 is about 525.5170332004.

The spelling of 145131068 in words is "one hundred forty-five million, one hundred thirty-one thousand, sixty-eight".

Divisors: 1 2 4 733 1466 2932 49499 98998 197996 36282767 72565534 145131068