45007157 has 4 divisors (see below), whose sum is σ = 48469260. Its totient is φ = 41545056.

The previous prime is 45007139. The next prime is 45007163. The reversal of 45007157 is 75170054.

45007157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75170054 = 2 ⋅37585027.

It can be written as a sum of positive squares in 2 ways, for example, as 23902321 + 21104836 = 4889^2 + 4594^2 .

It is a cyclic number.

It is not a de Polignac number, because 45007157 - 2⁶ = 45007093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45007117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1731032 + ... + 1731057.

It is an arithmetic number, because the mean of its divisors is an integer number (12117315).

Almost surely, 2^45007157 is an apocalyptic number.

It is an amenable number.

45007157 is a deficient number, since it is larger than the sum of its proper divisors (3462103).

45007157 is a wasteful number, since it uses less digits than its factorization.

45007157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3462102.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 45007157 is about 6708.7373625743. The cubic root of 45007157 is about 355.7081862534.

The spelling of 45007157 in words is "forty-five million, seven thousand, one hundred fifty-seven".