157815955 has 16 divisors (see below), whose sum is σ = 207648000. Its totient is φ = 114190560.

The previous prime is 157815923. The next prime is 157815961. The reversal of 157815955 is 559518751.

It is not a de Polignac number, because 157815955 - 2⁵ = 157815923 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3736 + ... + 18154.

It is an arithmetic number, because the mean of its divisors is an integer number (12978000).

Almost surely, 2^157815955 is an apocalyptic number.

157815955 is a deficient number, since it is larger than the sum of its proper divisors (49832045).

157815955 is a wasteful number, since it uses less digits than its factorization.

157815955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14634.

The product of its digits is 315000, while the sum is 46.

The square root of 157815955 is about 12562.4820397882. The cubic root of 157815955 is about 540.4020268651.

It can be divided in two parts, 15781 and 5955, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 157815955 in words is "one hundred fifty-seven million, eight hundred fifteen thousand, nine hundred fifty-five".