45450450454 has 4 divisors (see below), whose sum is σ = 68175675684. Its totient is φ = 22725225226.

The previous prime is 45450450439. The next prime is 45450450497. The reversal of 45450450454 is 45405405454.

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

It is a super-2 number, since 2×45450450454² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 11362612612 + ... + 11362612615.

It is an arithmetic number, because the mean of its divisors is an integer number (17043918921).

Almost surely, 2^45450450454 is an apocalyptic number.

45450450454 is a deficient number, since it is larger than the sum of its proper divisors (22725225230).

45450450454 is a wasteful number, since it uses less digits than its factorization.

45450450454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22725225229.

The product of its (nonzero) digits is 640000, while the sum is 40.

The spelling of 45450450454 in words is "forty-five billion, four hundred fifty million, four hundred fifty thousand, four hundred fifty-four".