45454798 has 4 divisors (see below), whose sum is σ = 68182200. Its totient is φ = 22727398.

The previous prime is 45454789. The next prime is 45454817. The reversal of 45454798 is 89745454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89745454 = 2 ⋅44872727.

It is a super-2 number, since 2×45454798² = 4132277322441608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11363698 + ... + 11363701.

It is an arithmetic number, because the mean of its divisors is an integer number (17045550).

Almost surely, 2^45454798 is an apocalyptic number.

45454798 is a deficient number, since it is larger than the sum of its proper divisors (22727402).

45454798 is a wasteful number, since it uses less digits than its factorization.

45454798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22727401.

The product of its digits is 806400, while the sum is 46.

The square root of 45454798 is about 6742.0173538786. The cubic root of 45454798 is about 356.8835886978.

The spelling of 45454798 in words is "forty-five million, four hundred fifty-four thousand, seven hundred ninety-eight".