157930378 has 4 divisors (see below), whose sum is σ = 236895570. Its totient is φ = 78965188.

The previous prime is 157930373. The next prime is 157930417. The reversal of 157930378 is 873039751.

157930378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 148425489 + 9504889 = 12183^2 + 3083^2 .

It is not an unprimeable number, because it can be changed into a prime (157930373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39482593 + ... + 39482596.

Almost surely, 2^157930378 is an apocalyptic number.

157930378 is a deficient number, since it is larger than the sum of its proper divisors (78965192).

157930378 is an equidigital number, since it uses as much as digits as its factorization.

157930378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78965191.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 157930378 is about 12567.0353703648. The cubic root of 157930378 is about 540.5325998120.

The spelling of 157930378 in words is "one hundred fifty-seven million, nine hundred thirty thousand, three hundred seventy-eight".