152775640 has 32 divisors (see below), whose sum is σ = 344878560. Its totient is φ = 60908800.

The previous prime is 152775629. The next prime is 152775643. The reversal of 152775640 is 46577251.

152775640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 152775640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152775643) 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, 6300 + ... + 18580.

It is an arithmetic number, because the mean of its divisors is an integer number (10777455).

Almost surely, 2^152775640 is an apocalyptic number.

152775640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152775640 is an abundant number, since it is smaller than the sum of its proper divisors (192102920).

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

152775640 is a wasteful number, since it uses less digits than its factorization.

152775640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12603 (or 12599 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 152775640 is about 12360.2443341546. The cubic root of 152775640 is about 534.5865615347.

The spelling of 152775640 in words is "one hundred fifty-two million, seven hundred seventy-five thousand, six hundred forty".