45145582 has 4 divisors (see below), whose sum is σ = 67718376. Its totient is φ = 22572790.

The previous prime is 45145567. The next prime is 45145627. The reversal of 45145582 is 28554154.

It is a happy number.

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

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, 11286394 + ... + 11286397.

It is an arithmetic number, because the mean of its divisors is an integer number (16929594).

Almost surely, 2^45145582 is an apocalyptic number.

45145582 is a deficient number, since it is larger than the sum of its proper divisors (22572794).

45145582 is a wasteful number, since it uses less digits than its factorization.

45145582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22572793.

The product of its digits is 32000, while the sum is 34.

The square root of 45145582 is about 6719.0462120750. The cubic root of 45145582 is about 356.0724876590.

The spelling of 45145582 in words is "forty-five million, one hundred forty-five thousand, five hundred eighty-two".