45424445455131 has 16 divisors (see below), whose sum is σ = 66197294327808. Its totient is φ = 27582205968000.

The previous prime is 45424445455127. The next prime is 45424445455159. The reversal of 45424445455131 is 13155454442454.

It is not a de Polignac number, because 45424445455131 - 2² = 45424445455127 is a prime.

It is a super-2 number, since 2×45424445455131² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (45424445455121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14365730695 + ... + 14365733856.

It is an arithmetic number, because the mean of its divisors is an integer number (4137330895488).

Almost surely, 2^{45424445455131} is an apocalyptic number.

45424445455131 is a deficient number, since it is larger than the sum of its proper divisors (20772848872677).

45424445455131 is a wasteful number, since it uses less digits than its factorization.

45424445455131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28731464602.

The product of its digits is 15360000, while the sum is 51.

Adding to 45424445455131 its reverse (13155454442454), we get a palindrome (58579899897585).

The spelling of 45424445455131 in words is "forty-five trillion, four hundred twenty-four billion, four hundred forty-five million, four hundred fifty-five thousand, one hundred thirty-one".