157423954 has 8 divisors (see below), whose sum is σ = 236291328. Its totient is φ = 78660180.

The previous prime is 157423943. The next prime is 157423957. The reversal of 157423954 is 459324751.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (157423957) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21982 + ... + 28249.

It is an arithmetic number, because the mean of its divisors is an integer number (29536416).

Almost surely, 2^157423954 is an apocalyptic number.

157423954 is a deficient number, since it is larger than the sum of its proper divisors (78867374).

157423954 is a wasteful number, since it uses less digits than its factorization.

157423954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51800.

The product of its digits is 151200, while the sum is 40.

The square root of 157423954 is about 12546.8702870477. The cubic root of 157423954 is about 539.9542187982.

The spelling of 157423954 in words is "one hundred fifty-seven million, four hundred twenty-three thousand, nine hundred fifty-four".