45731603731000 has 128 divisors (see below), whose sum is σ = 121815978485760. Its totient is φ = 15906644688000.

The previous prime is 45731603730971. The next prime is 45731603731043. The reversal of 45731603731000 is 13730613754.

It is a super-2 number, since 2×45731603731000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90125664 + ... + 90631663.

It is an arithmetic number, because the mean of its divisors is an integer number (951687331920).

Almost surely, 2^{45731603731000} is an apocalyptic number.

45731603731000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45731603731000 is an abundant number, since it is smaller than the sum of its proper divisors (76084374754760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45731603731000 is a wasteful number, since it uses less digits than its factorization.

45731603731000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180757382 (or 180757368 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 40.

The spelling of 45731603731000 in words is "forty-five trillion, seven hundred thirty-one billion, six hundred three million, seven hundred thirty-one thousand".