157493959 has 4 divisors (see below), whose sum is σ = 179993104. Its totient is φ = 134994816.

The previous prime is 157493957. The next prime is 157493971. The reversal of 157493959 is 959394751.

It is a happy number.

157493959 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: 959394751 = 7 ⋅137056393.

It is a cyclic number.

It is not a de Polignac number, because 157493959 - 2¹ = 157493957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157493957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11249562 + ... + 11249575.

It is an arithmetic number, because the mean of its divisors is an integer number (44998276).

Almost surely, 2^157493959 is an apocalyptic number.

157493959 is a deficient number, since it is larger than the sum of its proper divisors (22499145).

157493959 is an equidigital number, since it uses as much as digits as its factorization.

157493959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22499144.

The product of its digits is 1530900, while the sum is 52.

The square root of 157493959 is about 12549.6597165023. The cubic root of 157493959 is about 540.0342445133.

The spelling of 157493959 in words is "one hundred fifty-seven million, four hundred ninety-three thousand, nine hundred fifty-nine".