44142857 has 12 divisors (see below), whose sum is σ = 49033908. Its totient is φ = 39705600.

The previous prime is 44142851. The next prime is 44142859. The reversal of 44142857 is 75824144.

It can be written as a sum of positive squares in 2 ways, for example, as 19749136 + 24393721 = 4444^2 + 4939^2 .

It is not a de Polignac number, because 44142857 - 2⁴ = 44142841 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

44142857 is a modest number, since divided by 142857 gives 44 as remainder.

It is not an unprimeable number, because it can be changed into a prime (44142851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9857 + ... + 13617.

It is an arithmetic number, because the mean of its divisors is an integer number (4086159).

Almost surely, 2^44142857 is an apocalyptic number.

It is an amenable number.

44142857 is a deficient number, since it is larger than the sum of its proper divisors (4891051).

44142857 is a wasteful number, since it uses less digits than its factorization.

44142857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880 (or 3869 counting only the distinct ones).

The product of its digits is 35840, while the sum is 35.

The square root of 44142857 is about 6644.0091059540. The cubic root of 44142857 is about 353.4164927281.

The spelling of 44142857 in words is "forty-four million, one hundred forty-two thousand, eight hundred fifty-seven".