45045955 has 4 divisors (see below), whose sum is σ = 54055152. Its totient is φ = 36036760.

The previous prime is 45045953. The next prime is 45045967. The reversal of 45045955 is 55954054.

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

It is not a de Polignac number, because 45045955 - 2¹ = 45045953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45045953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4504591 + ... + 4504600.

It is an arithmetic number, because the mean of its divisors is an integer number (13513788).

Almost surely, 2^45045955 is an apocalyptic number.

45045955 is a deficient number, since it is larger than the sum of its proper divisors (9009197).

45045955 is an equidigital number, since it uses as much as digits as its factorization.

45045955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9009196.

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 45045955 is about 6711.6283419152. The cubic root of 45045955 is about 355.8103685389.

The spelling of 45045955 in words is "forty-five million, forty-five thousand, nine hundred fifty-five".