154642050336531 has 16 divisors (see below), whose sum is σ = 206325277185024. Its totient is φ = 103026783405504.

The previous prime is 154642050336467. The next prime is 154642050336547. The reversal of 154642050336531 is 135633050246451.

It is not a de Polignac number, because 154642050336531 - 2⁶ = 154642050336467 is a prime.

It is a super-2 number, since 2×154642050336531² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (154642050336031) 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, 26047935 + ... + 31428951.

It is an arithmetic number, because the mean of its divisors is an integer number (12895329824064).

Almost surely, 2^{154642050336531} is an apocalyptic number.

154642050336531 is a deficient number, since it is larger than the sum of its proper divisors (51683226848493).

154642050336531 is a wasteful number, since it uses less digits than its factorization.

154642050336531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5387330.

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 154642050336531 in words is "one hundred fifty-four trillion, six hundred forty-two billion, fifty million, three hundred thirty-six thousand, five hundred thirty-one".