45499981122 has 30 divisors (see below), whose sum is σ = 101959745283. Its totient is φ = 15165755388.

The previous prime is 45499981073. The next prime is 45499981133. The reversal of 45499981122 is 22118999454.

45499981122 is a `hidden beast` number, since 4 + 549 + 9 + 9 + 81 + 12 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22749990561 + 22749990561 = 150831^2 + 150831^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=150831.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2706579 + ... + 2723337.

Almost surely, 2^45499981122 is an apocalyptic number.

45499981122 is an abundant number, since it is smaller than the sum of its proper divisors (56459764161).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45499981122 is an frugal number, since it uses more digits than its factorization.

45499981122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33532 (or 16764 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The spelling of 45499981122 in words is "forty-five billion, four hundred ninety-nine million, nine hundred eighty-one thousand, one hundred twenty-two".