45321123145155 has 128 divisors (see below), whose sum is σ = 85617399168000. Its totient is φ = 20182177105920.

The previous prime is 45321123145153. The next prime is 45321123145169. The reversal of 45321123145155 is 55154132112354.

It is not a de Polignac number, because 45321123145155 - 2¹ = 45321123145153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45321123145153) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 795232401 + ... + 795289389.

It is an arithmetic number, because the mean of its divisors is an integer number (668885931000).

Almost surely, 2^{45321123145155} is an apocalyptic number.

45321123145155 is a deficient number, since it is larger than the sum of its proper divisors (40296276022845).

45321123145155 is a wasteful number, since it uses less digits than its factorization.

45321123145155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58869.

The product of its digits is 360000, while the sum is 42.

The spelling of 45321123145155 in words is "forty-five trillion, three hundred twenty-one billion, one hundred twenty-three million, one hundred forty-five thousand, one hundred fifty-five".