157554537 has 32 divisors (see below), whose sum is σ = 247526400. Its totient is φ = 87272640.

The previous prime is 157554533. The next prime is 157554559. The reversal of 157554537 is 735455751.

It is not a de Polignac number, because 157554537 - 2² = 157554533 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157554533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133962 + ... + 135132.

It is an arithmetic number, because the mean of its divisors is an integer number (7735200).

Almost surely, 2^157554537 is an apocalyptic number.

It is an amenable number.

157554537 is a deficient number, since it is larger than the sum of its proper divisors (89971863).

157554537 is a wasteful number, since it uses less digits than its factorization.

157554537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373.

The product of its digits is 367500, while the sum is 42.

The square root of 157554537 is about 12552.0730160400. The cubic root of 157554537 is about 540.1034746840.

The spelling of 157554537 in words is "one hundred fifty-seven million, five hundred fifty-four thousand, five hundred thirty-seven".