152640755 has 8 divisors (see below), whose sum is σ = 187428912. Its totient is φ = 119272608.

The previous prime is 152640751. The next prime is 152640767. The reversal of 152640755 is 557046251.

152640755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 152640755 - 2² = 152640751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152640751) 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, 354764 + ... + 355193.

It is an arithmetic number, because the mean of its divisors is an integer number (23428614).

Almost surely, 2^152640755 is an apocalyptic number.

152640755 is a deficient number, since it is larger than the sum of its proper divisors (34788157).

152640755 is an equidigital number, since it uses as much as digits as its factorization.

152640755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710005.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 152640755 is about 12354.7867241810. The cubic root of 152640755 is about 534.4291871000.

The spelling of 152640755 in words is "one hundred fifty-two million, six hundred forty thousand, seven hundred fifty-five".