158436052 has 12 divisors (see below), whose sum is σ = 289318176. Its totient is φ = 75773720.

The previous prime is 158436043. The next prime is 158436053. The reversal of 158436052 is 250634851.

It is a junction number, because it is equal to n+sod(n) for n = 158435999 and 158436017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158436053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860974 + ... + 861157.

It is an arithmetic number, because the mean of its divisors is an integer number (24109848).

Almost surely, 2^158436052 is an apocalyptic number.

It is an amenable number.

158436052 is a deficient number, since it is larger than the sum of its proper divisors (130882124).

158436052 is a wasteful number, since it uses less digits than its factorization.

158436052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722158 (or 1722156 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 158436052 is about 12587.1383562746. The cubic root of 158436052 is about 541.1088918812.

It can be divided in two parts, 1584 and 36052, that added together give a square (37636 = 194²).

The spelling of 158436052 in words is "one hundred fifty-eight million, four hundred thirty-six thousand, fifty-two".