45455013 has 10 divisors (see below), whose sum is σ = 67902054. Its totient is φ = 30303288.

The previous prime is 45455009. The next prime is 45455017. The reversal of 45455013 is 31055454.

It is an interprime number because it is at equal distance from previous prime (45455009) and next prime (45455017).

It can be written as a sum of positive squares in only one way, i.e., 44595684 + 859329 = 6678^2 + 927^2 .

It is not a de Polignac number, because 45455013 - 2² = 45455009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45455017) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 280506 + ... + 280667.

Almost surely, 2^45455013 is an apocalyptic number.

It is an amenable number.

45455013 is a deficient number, since it is larger than the sum of its proper divisors (22447041).

45455013 is an equidigital number, since it uses as much as digits as its factorization.

45455013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561185 (or 561176 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 45455013 is about 6742.0332986422. The cubic root of 45455013 is about 356.8841513802.

The spelling of 45455013 in words is "forty-five million, four hundred fifty-five thousand, thirteen".