45217261492 has 36 divisors (see below), whose sum is σ = 89938355556. Its totient is φ = 19771102080.

The previous prime is 45217261459. The next prime is 45217261501. The reversal of 45217261492 is 29416271254.

It can be written as a sum of positive squares in 2 ways, for example, as 9448617616 + 35768643876 = 97204^2 + 189126^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1185609 + ... + 1223152.

Almost surely, 2^45217261492 is an apocalyptic number.

It is an amenable number.

45217261492 is a deficient number, since it is larger than the sum of its proper divisors (44721094064).

45217261492 is a wasteful number, since it uses less digits than its factorization.

45217261492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408816 (or 2408795 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The spelling of 45217261492 in words is "forty-five billion, two hundred seventeen million, two hundred sixty-one thousand, four hundred ninety-two".