157154 has 4 divisors (see below), whose sum is σ = 235734. Its totient is φ = 78576.

The previous prime is 157141. The next prime is 157163. The reversal of 157154 is 451751.

157154 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: 451751 = 211 ⋅2141.

It can be written as a sum of positive squares in only one way, i.e., 105625 + 51529 = 325^2 + 227^2 .

It is an unprimeable number.

157154 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39287 + ... + 39290.

2¹⁵⁷¹⁵⁴ is an apocalyptic number.

157154 is a deficient number, since it is larger than the sum of its proper divisors (78580).

157154 is an equidigital number, since it uses as much as digits as its factorization.

157154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78579.

The product of its digits is 700, while the sum is 23.

The square root of 157154 is about 396.4265379613. The cubic root of 157154 is about 53.9645400485.

The spelling of 157154 in words is "one hundred fifty-seven thousand, one hundred fifty-four".