45355445631 has 12 divisors (see below), whose sum is σ = 68361831408. Its totient is φ = 28922313024.

The previous prime is 45355445609. The next prime is 45355445633. The reversal of 45355445631 is 13654455354.

It is a happy number.

45355445631 is a `hidden beast` number, since 4 + 5 + 3 + 5 + 5 + 4 + 4 + 5 + 631 = 666.

It is not a de Polignac number, because 45355445631 - 2⁶ = 45355445567 is a prime.

It is a super-2 number, since 2×45355445631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45355445633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109554010 + ... + 109554423.

It is an arithmetic number, because the mean of its divisors is an integer number (5696819284).

Almost surely, 2^45355445631 is an apocalyptic number.

45355445631 is a deficient number, since it is larger than the sum of its proper divisors (23006385777).

45355445631 is a wasteful number, since it uses less digits than its factorization.

45355445631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219108462 (or 219108459 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 45.

The spelling of 45355445631 in words is "forty-five billion, three hundred fifty-five million, four hundred forty-five thousand, six hundred thirty-one".