45123622531455 has 64 divisors (see below), whose sum is σ = 79885185287040. Its totient is φ = 21605560344576.

The previous prime is 45123622531453. The next prime is 45123622531553. The reversal of 45123622531455 is 55413522632154.

It is not a de Polignac number, because 45123622531455 - 2¹ = 45123622531453 is a prime.

It is a super-2 number, since 2×45123622531455² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45123622531453) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16578211 + ... + 19107179.

It is an arithmetic number, because the mean of its divisors is an integer number (1248206020110).

Almost surely, 2^{45123622531455} is an apocalyptic number.

45123622531455 is a deficient number, since it is larger than the sum of its proper divisors (34761562755585).

45123622531455 is a wasteful number, since it uses less digits than its factorization.

45123622531455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531500.

The product of its digits is 4320000, while the sum is 48.

The spelling of 45123622531455 in words is "forty-five trillion, one hundred twenty-three billion, six hundred twenty-two million, five hundred thirty-one thousand, four hundred fifty-five".