158233436 has 6 divisors (see below), whose sum is σ = 276908520. Its totient is φ = 79116716.

The previous prime is 158233429. The next prime is 158233469. The reversal of 158233436 is 634332851.

It is a junction number, because it is equal to n+sod(n) for n = 158233396 and 158233405.

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, 19779176 + ... + 19779183.

It is an arithmetic number, because the mean of its divisors is an integer number (46151420).

Almost surely, 2^158233436 is an apocalyptic number.

It is an amenable number.

158233436 is a deficient number, since it is larger than the sum of its proper divisors (118675084).

158233436 is a wasteful number, since it uses less digits than its factorization.

158233436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39558363 (or 39558361 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 158233436 is about 12579.0872482863. The cubic root of 158233436 is about 540.8781277177.

The spelling of 158233436 in words is "one hundred fifty-eight million, two hundred thirty-three thousand, four hundred thirty-six".