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145798764 = 22327674391
BaseRepresentation
bin10001011000010…
…11011001101100
3101011100100022020
420230023121230
5244311030024
622244550140
73420161166
oct1054133154
9334310266
10145798764
1175332851
12409b2350
132428a877
1415513936
15cbee979
hex8b0b66c

145798764 has 24 divisors (see below), whose sum is σ = 340397568. Its totient is φ = 48570960.

The previous prime is 145798729. The next prime is 145798769. The reversal of 145798764 is 467897541.

It is not an unprimeable number, because it can be changed into a prime (145798769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31009 + ... + 35399.

It is an arithmetic number, because the mean of its divisors is an integer number (14183232).

Almost surely, 2145798764 is an apocalyptic number.

It is an amenable number.

145798764 is an abundant number, since it is smaller than the sum of its proper divisors (194598804).

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

145798764 is a wasteful number, since it uses less digits than its factorization.

145798764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7165 (or 7163 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The square root of 145798764 is about 12074.7158972789. The cubic root of 145798764 is about 526.3217055960.

The spelling of 145798764 in words is "one hundred forty-five million, seven hundred ninety-eight thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 2767 4391 5534 8301 8782 11068 13173 16602 17564 26346 33204 52692 12149897 24299794 36449691 48599588 72899382 145798764