44447542 has 4 divisors (see below), whose sum is σ = 66671316. Its totient is φ = 22223770.

The previous prime is 44447531. The next prime is 44447561. The reversal of 44447542 is 24574444.

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

It is a junction number, because it is equal to n+sod(n) for n = 44447498 and 44447507.

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, 11111884 + ... + 11111887.

It is an arithmetic number, because the mean of its divisors is an integer number (16667829).

Almost surely, 2^44447542 is an apocalyptic number.

44447542 is a deficient number, since it is larger than the sum of its proper divisors (22223774).

44447542 is a wasteful number, since it uses less digits than its factorization.

44447542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22223773.

The product of its digits is 71680, while the sum is 34.

The square root of 44447542 is about 6666.8989792856. The cubic root of 44447542 is about 354.2277519796.

The spelling of 44447542 in words is "forty-four million, four hundred forty-seven thousand, five hundred forty-two".