45456542 has 4 divisors (see below), whose sum is σ = 68184816. Its totient is φ = 22728270.

The previous prime is 45456539. The next prime is 45456553. The reversal of 45456542 is 24565454.

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, 11364134 + ... + 11364137.

It is an arithmetic number, because the mean of its divisors is an integer number (17046204).

Almost surely, 2^45456542 is an apocalyptic number.

45456542 is a deficient number, since it is larger than the sum of its proper divisors (22728274).

45456542 is a wasteful number, since it uses less digits than its factorization.

45456542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22728273.

The product of its digits is 96000, while the sum is 35.

The square root of 45456542 is about 6742.1466907803. The cubic root of 45456542 is about 356.8881529172. Note that the first 3 decimals are identical.

The spelling of 45456542 in words is "forty-five million, four hundred fifty-six thousand, five hundred forty-two".