158373753444 has 45 divisors (see below), whose sum is σ = 414039002377. Its totient is φ = 52788863376.

The previous prime is 158373753389. The next prime is 158373753481. The reversal of 158373753444 is 444357373851.

The square root of 158373753444 is 397962.

It is a perfect power (a square), and thus also a powerful number.

158373753444 is a `hidden beast` number, since 1 + 5 + 8 + 37 + 37 + 534 + 44 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19005931044 + 139367822400 = 137862^2 + 373320^2 .

It is a super-2 number, since 2×158373753444² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 7152262 + ... + 7174370.

Almost surely, 2^158373753444 is an apocalyptic number.

158373753444 is the 397962-nd square number.

It is an amenable number.

158373753444 is an abundant number, since it is smaller than the sum of its proper divisors (255665248933).

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

158373753444 is an frugal number, since it uses more digits than its factorization.

158373753444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44234 (or 22114 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 54.

The spelling of 158373753444 in words is "one hundred fifty-eight billion, three hundred seventy-three million, seven hundred fifty-three thousand, four hundred forty-four".