45122007 has 32 divisors (see below), whose sum is σ = 71165952. Its totient is φ = 24895584.

The previous prime is 45122003. The next prime is 45122009. The reversal of 45122007 is 70022154.

It is not a de Polignac number, because 45122007 - 2² = 45122003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45122003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96388 + ... + 96854.

It is an arithmetic number, because the mean of its divisors is an integer number (2223936).

Almost surely, 2^45122007 is an apocalyptic number.

45122007 is a deficient number, since it is larger than the sum of its proper divisors (26043945).

45122007 is a wasteful number, since it uses less digits than its factorization.

45122007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 45122007 is about 6717.2916417259. The cubic root of 45122007 is about 356.0104965764.

The spelling of 45122007 in words is "forty-five million, one hundred twenty-two thousand, seven".