157155001 has 8 divisors (see below), whose sum is σ = 158892800. Its totient is φ = 155422800.

The previous prime is 157154989. The next prime is 157155041. The reversal of 157155001 is 100551751.

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 157155001 - 2¹⁷ = 157023929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157155041) 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, 79576 + ... + 81526.

It is an arithmetic number, because the mean of its divisors is an integer number (19861600).

Almost surely, 2^157155001 is an apocalyptic number.

It is an amenable number.

157155001 is a deficient number, since it is larger than the sum of its proper divisors (1737799).

157155001 is a wasteful number, since it uses less digits than its factorization.

157155001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799.

The product of its (nonzero) digits is 875, while the sum is 25.

The square root of 157155001 is about 12536.1477735387. The cubic root of 157155001 is about 539.6465462486.

The spelling of 157155001 in words is "one hundred fifty-seven million, one hundred fifty-five thousand, one".