152040257 has 8 divisors (see below), whose sum is σ = 154886784. Its totient is φ = 149220288.

The previous prime is 152040241. The next prime is 152040263. The reversal of 152040257 is 752040251.

152040257 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 152040257 - 2⁴ = 152040241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152049257) 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, 5108 + ... + 18170.

It is an arithmetic number, because the mean of its divisors is an integer number (19360848).

Almost surely, 2^152040257 is an apocalyptic number.

It is an amenable number.

152040257 is a deficient number, since it is larger than the sum of its proper divisors (2846527).

152040257 is a wasteful number, since it uses less digits than its factorization.

152040257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13279.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 152040257 is about 12330.4605347894. The cubic root of 152040257 is about 533.7274404299.

The spelling of 152040257 in words is "one hundred fifty-two million, forty thousand, two hundred fifty-seven".