157252911 has 8 divisors (see below), whose sum is σ = 220705920. Its totient is φ = 99317592.

The previous prime is 157252889. The next prime is 157252951. The reversal of 157252911 is 119252751.

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

It is not a de Polignac number, because 157252911 - 2¹³ = 157244719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157252951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1379355 + ... + 1379468.

It is an arithmetic number, because the mean of its divisors is an integer number (27588240).

Almost surely, 2^157252911 is an apocalyptic number.

157252911 is a deficient number, since it is larger than the sum of its proper divisors (63453009).

157252911 is a wasteful number, since it uses less digits than its factorization.

157252911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758845.

The product of its digits is 6300, while the sum is 33.

The square root of 157252911 is about 12540.0522726183. The cubic root of 157252911 is about 539.7585923689.

The spelling of 157252911 in words is "one hundred fifty-seven million, two hundred fifty-two thousand, nine hundred eleven".