157171450 has 48 divisors (see below), whose sum is σ = 306605376. Its totient is φ = 59875200.

The previous prime is 157171411. The next prime is 157171451. The reversal of 157171450 is 54171751.

It is a happy number.

157171450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157171451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87259 + ... + 89041.

It is an arithmetic number, because the mean of its divisors is an integer number (6387612).

Almost surely, 2^157171450 is an apocalyptic number.

157171450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157171450 is a deficient number, since it is larger than the sum of its proper divisors (149433926).

157171450 is a wasteful number, since it uses less digits than its factorization.

157171450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879 (or 1874 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 31.

The square root of 157171450 is about 12536.8038191558. The cubic root of 157171450 is about 539.6653733859.

The spelling of 157171450 in words is "one hundred fifty-seven million, one hundred seventy-one thousand, four hundred fifty".