157994014 has 4 divisors (see below), whose sum is σ = 236991024. Its totient is φ = 78997006.

The previous prime is 157993993. The next prime is 157994027. The reversal of 157994014 is 410499751.

157994014 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, and also an emirpimes, since its reverse is a distinct semiprime: 410499751 = 15271 ⋅26881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39498502 + ... + 39498505.

It is an arithmetic number, because the mean of its divisors is an integer number (59247756).

Almost surely, 2^157994014 is an apocalyptic number.

157994014 is a deficient number, since it is larger than the sum of its proper divisors (78997010).

157994014 is an equidigital number, since it uses as much as digits as its factorization.

157994014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78997009.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 157994014 is about 12569.5669774261. The cubic root of 157994014 is about 540.6051902661.

The spelling of 157994014 in words is "one hundred fifty-seven million, nine hundred ninety-four thousand, fourteen".