44947142 has 4 divisors (see below), whose sum is σ = 67420716. Its totient is φ = 22473570.

The previous prime is 44947139. The next prime is 44947153. The reversal of 44947142 is 24174944.

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, 11236784 + ... + 11236787.

It is an arithmetic number, because the mean of its divisors is an integer number (16855179).

Almost surely, 2^44947142 is an apocalyptic number.

44947142 is a deficient number, since it is larger than the sum of its proper divisors (22473574).

44947142 is a wasteful number, since it uses less digits than its factorization.

44947142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22473573.

The product of its digits is 32256, while the sum is 35.

The square root of 44947142 is about 6704.2629721693. The cubic root of 44947142 is about 355.5500090208.

The spelling of 44947142 in words is "forty-four million, nine hundred forty-seven thousand, one hundred forty-two".