45520021454 has 4 divisors (see below), whose sum is σ = 68280032184. Its totient is φ = 22760010726.

The previous prime is 45520021447. The next prime is 45520021501. The reversal of 45520021454 is 45412002554.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×45520021454³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45520021454.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 11380005362 + ... + 11380005365.

It is an arithmetic number, because the mean of its divisors is an integer number (17070008046).

Almost surely, 2^45520021454 is an apocalyptic number.

45520021454 is a deficient number, since it is larger than the sum of its proper divisors (22760010730).

45520021454 is a wasteful number, since it uses less digits than its factorization.

45520021454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22760010729.

The product of its (nonzero) digits is 32000, while the sum is 32.

The spelling of 45520021454 in words is "forty-five billion, five hundred twenty million, twenty-one thousand, four hundred fifty-four".