157945074 has 32 divisors (see below), whose sum is σ = 363872256. Its totient is φ = 44770320.

The previous prime is 157945061. The next prime is 157945087. The reversal of 157945074 is 470549751.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (157945061) and next prime (157945087).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9472 + ... + 20139.

It is an arithmetic number, because the mean of its divisors is an integer number (11371008).

Almost surely, 2^157945074 is an apocalyptic number.

157945074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

157945074 is an abundant number, since it is smaller than the sum of its proper divisors (205927182).

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

157945074 is a wasteful number, since it uses less digits than its factorization.

157945074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29750.

The product of its (nonzero) digits is 176400, while the sum is 42.

The square root of 157945074 is about 12567.6200610935. The cubic root of 157945074 is about 540.5493654713.

The spelling of 157945074 in words is "one hundred fifty-seven million, nine hundred forty-five thousand, seventy-four".