158140954 has 4 divisors (see below), whose sum is σ = 237211434. Its totient is φ = 79070476.

The previous prime is 158140949. The next prime is 158140981. The reversal of 158140954 is 459041851.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 132365025 + 25775929 = 11505^2 + 5077^2 .

It is a super-2 number, since 2×158140954² = 50017122664060232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39535237 + ... + 39535240.

Almost surely, 2^158140954 is an apocalyptic number.

158140954 is a deficient number, since it is larger than the sum of its proper divisors (79070480).

158140954 is an equidigital number, since it uses as much as digits as its factorization.

158140954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79070479.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 158140954 is about 12575.4106891187. The cubic root of 158140954 is about 540.7727322953.

The spelling of 158140954 in words is "one hundred fifty-eight million, one hundred forty thousand, nine hundred fifty-four".