44556142 has 4 divisors (see below), whose sum is σ = 66834216. Its totient is φ = 22278070.

The previous prime is 44556137. The next prime is 44556157. The reversal of 44556142 is 24165544.

It is a happy number.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 11139034 + ... + 11139037.

It is an arithmetic number, because the mean of its divisors is an integer number (16708554).

Almost surely, 2^44556142 is an apocalyptic number.

44556142 is a deficient number, since it is larger than the sum of its proper divisors (22278074).

44556142 is a wasteful number, since it uses less digits than its factorization.

44556142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22278073.

The product of its digits is 19200, while the sum is 31.

The square root of 44556142 is about 6675.0387264794. The cubic root of 44556142 is about 354.5160157295.

The spelling of 44556142 in words is "forty-four million, five hundred fifty-six thousand, one hundred forty-two".