157170102 has 16 divisors (see below), whose sum is σ = 315832512. Its totient is φ = 52141320.

The previous prime is 157170089. The next prime is 157170107. The reversal of 157170102 is 201071751.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157170107) 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, 60808 + ... + 63339.

It is an arithmetic number, because the mean of its divisors is an integer number (19739532).

Almost surely, 2^157170102 is an apocalyptic number.

157170102 is an abundant number, since it is smaller than the sum of its proper divisors (158662410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157170102 is a wasteful number, since it uses less digits than its factorization.

157170102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124363.

The product of its (nonzero) digits is 490, while the sum is 24.

The square root of 157170102 is about 12536.7500573314. The cubic root of 157170102 is about 539.6638305464.

The spelling of 157170102 in words is "one hundred fifty-seven million, one hundred seventy thousand, one hundred two".