158276450331 has 72 divisors (see below), whose sum is σ = 248585152816. Its totient is φ = 100628827200.

The previous prime is 158276450317. The next prime is 158276450333. The reversal of 158276450331 is 133054672851.

It is a happy number.

158276450331 is a `hidden beast` number, since 1 + 5 + 8 + 276 + 45 + 0 + 331 = 666.

It is not a de Polignac number, because 158276450331 - 2²³ = 158268061723 is a prime.

It is a super-2 number, since 2×158276450331² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158276450333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 47946381 + ... + 47949681.

Almost surely, 2^158276450331 is an apocalyptic number.

158276450331 is a deficient number, since it is larger than the sum of its proper divisors (90308702485).

158276450331 is an equidigital number, since it uses as much as digits as its factorization.

158276450331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3735 (or 3700 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 158276450331 in words is "one hundred fifty-eight billion, two hundred seventy-six million, four hundred fifty thousand, three hundred thirty-one".