45048132138945 has 48 divisors (see below), whose sum is σ = 78050657496960. Its totient is φ = 22176755048448.

The previous prime is 45048132138941. The next prime is 45048132138949. The reversal of 45048132138945 is 54983123184054.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45048132138941) and next prime (45048132138949).

It is not a de Polignac number, because 45048132138945 - 2² = 45048132138941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45048132138941) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74656924 + ... + 75257906.

It is an arithmetic number, because the mean of its divisors is an integer number (1626055364520).

Almost surely, 2^{45048132138945} is an apocalyptic number.

It is an amenable number.

45048132138945 is a deficient number, since it is larger than the sum of its proper divisors (33002525358015).

45048132138945 is a wasteful number, since it uses less digits than its factorization.

45048132138945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630586 (or 630573 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 57.

The spelling of 45048132138945 in words is "forty-five trillion, forty-eight billion, one hundred thirty-two million, one hundred thirty-eight thousand, nine hundred forty-five".