44142156 has 36 divisors (see below), whose sum is σ = 111783672. Its totient is φ = 14687424.

The previous prime is 44142103. The next prime is 44142157. The reversal of 44142156 is 65124144.

44142156 is a `hidden beast` number, since 441 + 4 + 215 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (44142157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36595 + ... + 37781.

It is an arithmetic number, because the mean of its divisors is an integer number (3105102).

Almost surely, 2^44142156 is an apocalyptic number.

It is an amenable number.

44142156 is an abundant number, since it is smaller than the sum of its proper divisors (67641516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44142156 is a wasteful number, since it uses less digits than its factorization.

44142156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230 (or 2225 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 44142156 is about 6643.9563514520. The cubic root of 44142156 is about 353.4146219364.

The spelling of 44142156 in words is "forty-four million, one hundred forty-two thousand, one hundred fifty-six".