158743864 has 16 divisors (see below), whose sum is σ = 301413600. Its totient is φ = 78366912.

The previous prime is 158743853. The next prime is 158743873. The reversal of 158743864 is 468347851.

It is a happy number.

It is a super-2 number, since 2×158743864² = 50399228715300992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124957 + ... + 126220.

It is an arithmetic number, because the mean of its divisors is an integer number (18838350).

Almost surely, 2^158743864 is an apocalyptic number.

It is an amenable number.

158743864 is a deficient number, since it is larger than the sum of its proper divisors (142669736).

158743864 is a wasteful number, since it uses less digits than its factorization.

158743864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251262 (or 251258 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 158743864 is about 12599.3596662688. The cubic root of 158743864 is about 541.4590900830.

It can be divided in two parts, 1587 and 43864, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 158743864 in words is "one hundred fifty-eight million, seven hundred forty-three thousand, eight hundred sixty-four".