158140944 has 160 divisors (see below), whose sum is σ = 506217600. Its totient is φ = 46932480.

The previous prime is 158140903. The next prime is 158140949. The reversal of 158140944 is 449041851.

It is a super-2 number, since 2×158140944² = 50017116338422272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 158140899 and 158140908.

It is not an unprimeable number, because it can be changed into a prime (158140949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162379 + ... + 163349.

It is an arithmetic number, because the mean of its divisors is an integer number (3163860).

Almost surely, 2^158140944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158140944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253108800).

158140944 is an abundant number, since it is smaller than the sum of its proper divisors (348076656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158140944 is a wasteful number, since it uses less digits than its factorization.

158140944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 158140944 is about 12575.4102915173. The cubic root of 158140944 is about 540.7727208968.

The spelling of 158140944 in words is "one hundred fifty-eight million, one hundred forty thousand, nine hundred forty-four".