15070045 has 4 divisors (see below), whose sum is σ = 18084060. Its totient is φ = 12056032.

The previous prime is 15069997. The next prime is 15070049. The reversal of 15070045 is 54007051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54007051 = 7 ⋅7715293.

It can be written as a sum of positive squares in 2 ways, for example, as 5466244 + 9603801 = 2338^2 + 3099^2 .

It is a cyclic number.

It is not a de Polignac number, because 15070045 - 2⁹ = 15069533 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 15069998 and 15070025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15070049) 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, 1507000 + ... + 1507009.

It is an arithmetic number, because the mean of its divisors is an integer number (4521015).

Almost surely, 2^15070045 is an apocalyptic number.

It is an amenable number.

15070045 is a deficient number, since it is larger than the sum of its proper divisors (3014015).

15070045 is an equidigital number, since it uses as much as digits as its factorization.

15070045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014014.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 15070045 is about 3882.0155847188. The cubic root of 15070045 is about 247.0044910590.

Adding to 15070045 its reverse (54007051), we get a palindrome (69077096).

The spelling of 15070045 in words is "fifteen million, seventy thousand, forty-five".