44140142 has 8 divisors (see below), whose sum is σ = 67332600. Its totient is φ = 21695944.

The previous prime is 44140139. The next prime is 44140163. The reversal of 44140142 is 24104144.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186917 + ... + 187152.

It is an arithmetic number, because the mean of its divisors is an integer number (8416575).

Almost surely, 2^44140142 is an apocalyptic number.

44140142 is a deficient number, since it is larger than the sum of its proper divisors (23192458).

44140142 is a wasteful number, since it uses less digits than its factorization.

44140142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374130.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 44140142 is about 6643.8047834054. The cubic root of 44140142 is about 353.4092469695.

Adding to 44140142 its reverse (24104144), we get a palindrome (68244286).

The spelling of 44140142 in words is "forty-four million, one hundred forty thousand, one hundred forty-two".