45518154642 has 12 divisors (see below), whose sum is σ = 98622668430. Its totient is φ = 15172718208.

The previous prime is 45518154629. The next prime is 45518154713. The reversal of 45518154642 is 24645181554.

45518154642 is a `hidden beast` number, since 4 + 5 + 5 + 181 + 5 + 464 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 31364055801 + 14154098841 = 177099^2 + 118971^2 .

It is a super-2 number, since 2×45518154642² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1264393167 + ... + 1264393202.

Almost surely, 2^45518154642 is an apocalyptic number.

45518154642 is an abundant number, since it is smaller than the sum of its proper divisors (53104513788).

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

45518154642 is a wasteful number, since it uses less digits than its factorization.

45518154642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528786377 (or 2528786374 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

The spelling of 45518154642 in words is "forty-five billion, five hundred eighteen million, one hundred fifty-four thousand, six hundred forty-two".