45243055 has 16 divisors (see below), whose sum is σ = 63784224. Its totient is φ = 30372480.

The previous prime is 45243041. The next prime is 45243071. The reversal of 45243055 is 55034254.

It is a de Polignac number, because none of the positive numbers 2^k-45243055 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 15 ways as a sum of consecutive naturals, for example, 30924 + ... + 32353.

It is an arithmetic number, because the mean of its divisors is an integer number (3986514).

Almost surely, 2^45243055 is an apocalyptic number.

45243055 is a deficient number, since it is larger than the sum of its proper divisors (18541169).

45243055 is a wasteful number, since it uses less digits than its factorization.

45243055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63306.

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

The square root of 45243055 is about 6726.2957859434. The cubic root of 45243055 is about 356.3285666464.

The spelling of 45243055 in words is "forty-five million, two hundred forty-three thousand, fifty-five".