157551051 has 8 divisors (see below), whose sum is σ = 240077824. Its totient is φ = 90029160.

The previous prime is 157551047. The next prime is 157551067. The reversal of 157551051 is 150155751.

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

It is not a de Polignac number, because 157551051 - 2² = 157551047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157551071) 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, 3751195 + ... + 3751236.

It is an arithmetic number, because the mean of its divisors is an integer number (30009728).

Almost surely, 2^157551051 is an apocalyptic number.

157551051 is a deficient number, since it is larger than the sum of its proper divisors (82526773).

157551051 is an equidigital number, since it uses as much as digits as its factorization.

157551051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7502441.

The product of its (nonzero) digits is 4375, while the sum is 30.

The square root of 157551051 is about 12551.9341537470. The cubic root of 157551051 is about 540.0994912705.

The spelling of 157551051 in words is "one hundred fifty-seven million, five hundred fifty-one thousand, fifty-one".