157229654 has 4 divisors (see below), whose sum is σ = 235844484. Its totient is φ = 78614826.

The previous prime is 157229647. The next prime is 157229689. The reversal of 157229654 is 456922751.

157229654 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: 456922751 = 9091 ⋅50261.

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, 39307412 + ... + 39307415.

It is an arithmetic number, because the mean of its divisors is an integer number (58961121).

Almost surely, 2^157229654 is an apocalyptic number.

157229654 is a deficient number, since it is larger than the sum of its proper divisors (78614830).

157229654 is an equidigital number, since it uses as much as digits as its factorization.

157229654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78614829.

The product of its digits is 151200, while the sum is 41.

The square root of 157229654 is about 12539.1249295954. The cubic root of 157229654 is about 539.7319817656.

The spelling of 157229654 in words is "one hundred fifty-seven million, two hundred twenty-nine thousand, six hundred fifty-four".