157394190 has 32 divisors (see below), whose sum is σ = 386534016. Its totient is φ = 40995360.

The previous prime is 157394173. The next prime is 157394207. The reversal of 157394190 is 91493751.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (157394173) and next prime (157394207).

It is a super-2 number, since 2×157394190² = 49545862091512200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59716 + ... + 62295.

It is an arithmetic number, because the mean of its divisors is an integer number (12079188).

Almost surely, 2^157394190 is an apocalyptic number.

157394190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157394190 is an abundant number, since it is smaller than the sum of its proper divisors (229139826).

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

157394190 is a wasteful number, since it uses less digits than its factorization.

157394190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122064.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 157394190 is about 12545.6841184528. The cubic root of 157394190 is about 539.9201871067.

The spelling of 157394190 in words is "one hundred fifty-seven million, three hundred ninety-four thousand, one hundred ninety".