45115454 has 4 divisors (see below), whose sum is σ = 67673184. Its totient is φ = 22557726.

The previous prime is 45115451. The next prime is 45115463. The reversal of 45115454 is 45451154.

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

It is a super-2 number, since 2×45115454² = 4070808379252232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45115451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11278862 + ... + 11278865.

It is an arithmetic number, because the mean of its divisors is an integer number (16918296).

Almost surely, 2^45115454 is an apocalyptic number.

45115454 is a deficient number, since it is larger than the sum of its proper divisors (22557730).

45115454 is a wasteful number, since it uses less digits than its factorization.

45115454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22557729.

The product of its digits is 8000, while the sum is 29.

The square root of 45115454 is about 6716.8038530241. The cubic root of 45115454 is about 355.9932614556.

The spelling of 45115454 in words is "forty-five million, one hundred fifteen thousand, four hundred fifty-four".