158652538 has 32 divisors (see below), whose sum is σ = 264679488. Its totient is φ = 71312560.

The previous prime is 158652457. The next prime is 158652539. The reversal of 158652538 is 835256851.

It is a junction number, because it is equal to n+sod(n) for n = 158652494 and 158652503.

It is not an unprimeable number, because it can be changed into a prime (158652539) 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, 284556 + ... + 285112.

It is an arithmetic number, because the mean of its divisors is an integer number (8271234).

Almost surely, 2^158652538 is an apocalyptic number.

158652538 is a deficient number, since it is larger than the sum of its proper divisors (106026950).

158652538 is a wasteful number, since it uses less digits than its factorization.

158652538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699 (or 677 counting only the distinct ones).

The product of its digits is 288000, while the sum is 43.

The square root of 158652538 is about 12595.7349130569. The cubic root of 158652538 is about 541.3552356149.

The spelling of 158652538 in words is "one hundred fifty-eight million, six hundred fifty-two thousand, five hundred thirty-eight".