45994455 has 24 divisors (see below), whose sum is σ = 85857408. Its totient is φ = 22643136.

The previous prime is 45994423. The next prime is 45994463. The reversal of 45994455 is 55449954.

45994455 is a `hidden beast` number, since 4 + 599 + 4 + 4 + 55 = 666.

It is not a de Polignac number, because 45994455 - 2⁵ = 45994423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 45994455.

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 in 23 ways as a sum of consecutive naturals, for example, 38727 + ... + 39896.

It is an arithmetic number, because the mean of its divisors is an integer number (3577392).

Almost surely, 2^45994455 is an apocalyptic number.

45994455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45994455 is a deficient number, since it is larger than the sum of its proper divisors (39862953).

45994455 is a wasteful number, since it uses less digits than its factorization.

45994455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78647 (or 78644 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 45994455 is about 6781.9211879821. The cubic root of 45994455 is about 358.2903894213.

The spelling of 45994455 in words is "forty-five million, nine hundred ninety-four thousand, four hundred fifty-five".