158383954 has 4 divisors (see below), whose sum is σ = 237575934. Its totient is φ = 79191976.

The previous prime is 158383949. The next prime is 158383961. The reversal of 158383954 is 459383851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 459383851 = 773 ⋅594287.

It can be written as a sum of positive squares in only one way, i.e., 111830625 + 46553329 = 10575^2 + 6823^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39595987 + ... + 39595990.

Almost surely, 2^158383954 is an apocalyptic number.

158383954 is a deficient number, since it is larger than the sum of its proper divisors (79191980).

158383954 is an equidigital number, since it uses as much as digits as its factorization.

158383954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79191979.

The product of its digits is 518400, while the sum is 46.

The square root of 158383954 is about 12585.0686927009. The cubic root of 158383954 is about 541.0495750334.

The spelling of 158383954 in words is "one hundred fifty-eight million, three hundred eighty-three thousand, nine hundred fifty-four".