45423055 has 4 divisors (see below), whose sum is σ = 54507672. Its totient is φ = 36338440.

The previous prime is 45423041. The next prime is 45423089. The reversal of 45423055 is 55032454.

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

It is not a de Polignac number, because 45423055 - 2⁵ = 45423023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4542301 + ... + 4542310.

It is an arithmetic number, because the mean of its divisors is an integer number (13626918).

Almost surely, 2^45423055 is an apocalyptic number.

45423055 is a deficient number, since it is larger than the sum of its proper divisors (9084617).

45423055 is an equidigital number, since it uses as much as digits as its factorization.

45423055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9084616.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 45423055 is about 6739.6628253942. The cubic root of 45423055 is about 356.8004937379.

The spelling of 45423055 in words is "forty-five million, four hundred twenty-three thousand, fifty-five".