45031302542138 has 16 divisors (see below), whose sum is σ = 73695130876224. Its totient is φ = 20466678077760.

The previous prime is 45031302542137. The next prime is 45031302542141. The reversal of 45031302542138 is 83124520313054.

It is a super-2 number, since 2×45031302542138² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45031302542095 and 45031302542104.

It is not an unprimeable number, because it can be changed into a prime (45031302542137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104570495 + ... + 105000242.

It is an arithmetic number, because the mean of its divisors is an integer number (4605945679764).

Almost surely, 2^{45031302542138} is an apocalyptic number.

45031302542138 is a deficient number, since it is larger than the sum of its proper divisors (28663828334086).

45031302542138 is a wasteful number, since it uses less digits than its factorization.

45031302542138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209580517.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 45031302542138 in words is "forty-five trillion, thirty-one billion, three hundred two million, five hundred forty-two thousand, one hundred thirty-eight".