45252518 has 4 divisors (see below), whose sum is σ = 67878780. Its totient is φ = 22626258.

The previous prime is 45252511. The next prime is 45252533. The reversal of 45252518 is 81525254.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45252511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11313128 + ... + 11313131.

It is an arithmetic number, because the mean of its divisors is an integer number (16969695).

Almost surely, 2^45252518 is an apocalyptic number.

45252518 is a deficient number, since it is larger than the sum of its proper divisors (22626262).

45252518 is a wasteful number, since it uses less digits than its factorization.

45252518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22626261.

The product of its digits is 16000, while the sum is 32.

The square root of 45252518 is about 6726.9991823992. Note that the first 3 decimals coincide. The cubic root of 45252518 is about 356.3534080440.

The spelling of 45252518 in words is "forty-five million, two hundred fifty-two thousand, five hundred eighteen".