157003557 has 8 divisors (see below), whose sum is σ = 209429184. Its totient is φ = 104623488.

The previous prime is 157003549. The next prime is 157003559. The reversal of 157003557 is 755300751.

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

It is not a de Polignac number, because 157003557 - 2³ = 157003549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157003559) 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, 2313 + ... + 17870.

It is an arithmetic number, because the mean of its divisors is an integer number (26178648).

Almost surely, 2^157003557 is an apocalyptic number.

It is an amenable number.

157003557 is a deficient number, since it is larger than the sum of its proper divisors (52425627).

157003557 is a wasteful number, since it uses less digits than its factorization.

157003557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22779.

The product of its (nonzero) digits is 18375, while the sum is 33.

The square root of 157003557 is about 12530.1060250901. The cubic root of 157003557 is about 539.4731452598.

The spelling of 157003557 in words is "one hundred fifty-seven million, three thousand, five hundred fifty-seven".