45153518 has 4 divisors (see below), whose sum is σ = 67730280. Its totient is φ = 22576758.

The previous prime is 45153487. The next prime is 45153523. The reversal of 45153518 is 81535154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81535154 = 2 ⋅40767577.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11288378 + ... + 11288381.

It is an arithmetic number, because the mean of its divisors is an integer number (16932570).

Almost surely, 2^45153518 is an apocalyptic number.

45153518 is a deficient number, since it is larger than the sum of its proper divisors (22576762).

45153518 is a wasteful number, since it uses less digits than its factorization.

45153518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22576761.

The product of its digits is 12000, while the sum is 32.

The square root of 45153518 is about 6719.6367461344. The cubic root of 45153518 is about 356.0933507245.

The spelling of 45153518 in words is "forty-five million, one hundred fifty-three thousand, five hundred eighteen".