45124258 has 4 divisors (see below), whose sum is σ = 67686390. Its totient is φ = 22562128.

The previous prime is 45124223. The next prime is 45124279. The reversal of 45124258 is 85242154.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28697449 + 16426809 = 5357^2 + 4053^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11281063 + ... + 11281066.

Almost surely, 2^45124258 is an apocalyptic number.

45124258 is a deficient number, since it is larger than the sum of its proper divisors (22562132).

45124258 is a wasteful number, since it uses less digits than its factorization.

45124258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22562131.

The product of its digits is 12800, while the sum is 31.

The square root of 45124258 is about 6717.4591922839. The cubic root of 45124258 is about 356.0164165724.

The spelling of 45124258 in words is "forty-five million, one hundred twenty-four thousand, two hundred fifty-eight".