158432441 has 16 divisors (see below), whose sum is σ = 170463744. Its totient is φ = 146893824.

The previous prime is 158432429. The next prime is 158432447. The reversal of 158432441 is 144234851.

It is a de Polignac number, because none of the positive numbers 2^k-158432441 is a prime.

It is a super-2 number, since 2×158432441² = 50201676722436962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 158432398 and 158432407.

It is not an unprimeable number, because it can be changed into a prime (158432447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121505 + ... + 122801.

It is an arithmetic number, because the mean of its divisors is an integer number (10653984).

Almost surely, 2^158432441 is an apocalyptic number.

It is an amenable number.

158432441 is a deficient number, since it is larger than the sum of its proper divisors (12031303).

158432441 is a wasteful number, since it uses less digits than its factorization.

158432441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480.

The product of its digits is 15360, while the sum is 32.

The square root of 158432441 is about 12586.9949153879. The cubic root of 158432441 is about 541.1047809502.

The spelling of 158432441 in words is "one hundred fifty-eight million, four hundred thirty-two thousand, four hundred forty-one".