152640765 has 48 divisors (see below), whose sum is σ = 278328960. Its totient is φ = 77235840.

The previous prime is 152640751. The next prime is 152640767. The reversal of 152640765 is 567046251.

It is a happy number.

152640765 is a `hidden beast` number, since 1 + 5 + 2 + 640 + 7 + 6 + 5 = 666.

It is not a de Polignac number, because 152640765 - 2⁴ = 152640749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152640767) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 143335 + ... + 144395.

It is an arithmetic number, because the mean of its divisors is an integer number (5798520).

Almost surely, 2^152640765 is an apocalyptic number.

152640765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

152640765 is a deficient number, since it is larger than the sum of its proper divisors (125688195).

152640765 is a wasteful number, since it uses less digits than its factorization.

152640765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234 (or 1231 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 152640765 is about 12354.7871288825. The cubic root of 152640765 is about 534.4291987707.

The spelling of 152640765 in words is "one hundred fifty-two million, six hundred forty thousand, seven hundred sixty-five".