157954 has 4 divisors (see below), whose sum is σ = 236934. Its totient is φ = 78976.

The previous prime is 157951. The next prime is 157991. The reversal of 157954 is 459751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 459751 = 167 ⋅2753.

It can be written as a sum of positive squares in only one way, i.e., 81225 + 76729 = 285^2 + 277^2 .

It is a super-2 number, since 2×157954² = 49898932232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39487 + ... + 39490.

2¹⁵⁷⁹⁵⁴ is an apocalyptic number.

157954 is a deficient number, since it is larger than the sum of its proper divisors (78980).

157954 is an equidigital number, since it uses as much as digits as its factorization.

157954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78979.

The product of its digits is 6300, while the sum is 31.

The square root of 157954 is about 397.4342712953. The cubic root of 157954 is about 54.0559548025.

It can be divided in two parts, 157 and 954, that added together give a palindrome (1111).

The spelling of 157954 in words is "one hundred fifty-seven thousand, nine hundred fifty-four".