154023063631 has 4 divisors (see below), whose sum is σ = 154419010200. Its totient is φ = 153627117064.

The previous prime is 154023063619. The next prime is 154023063653. The reversal of 154023063631 is 136360320451.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 154023063631 - 2²⁹ = 153486192719 is a prime.

It is a super-2 number, since 2×154023063631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154023063661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197972701 + ... + 197973478.

It is an arithmetic number, because the mean of its divisors is an integer number (38604752550).

Almost surely, 2^154023063631 is an apocalyptic number.

154023063631 is a deficient number, since it is larger than the sum of its proper divisors (395946569).

154023063631 is an equidigital number, since it uses as much as digits as its factorization.

154023063631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395946568.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 154023063631 in words is "one hundred fifty-four billion, twenty-three million, sixty-three thousand, six hundred thirty-one".