45402144532 has 24 divisors (see below), whose sum is σ = 83416931136. Its totient is φ = 21580846848.

The previous prime is 45402144493. The next prime is 45402144551. The reversal of 45402144532 is 23544120454.

45402144532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×45402144532² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1498813 + ... + 1528804.

It is an arithmetic number, because the mean of its divisors is an integer number (3475705464).

Almost surely, 2^45402144532 is an apocalyptic number.

It is an amenable number.

45402144532 is a deficient number, since it is larger than the sum of its proper divisors (38014786604).

45402144532 is a wasteful number, since it uses less digits than its factorization.

45402144532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027807 (or 3027805 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 45402144532 its reverse (23544120454), we get a palindrome (68946264986).

The spelling of 45402144532 in words is "forty-five billion, four hundred two million, one hundred forty-four thousand, five hundred thirty-two".