44142000 has 160 divisors (see below), whose sum is σ = 162799104. Its totient is φ = 10080000.

The previous prime is 44141969. The next prime is 44142017. The reversal of 44142000 is 24144.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 41475 + ... + 42525.

Almost surely, 2^44142000 is an apocalyptic number.

44142000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44142000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81399552).

44142000 is an abundant number, since it is smaller than the sum of its proper divisors (118657104).

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

44142000 is a wasteful number, since it uses less digits than its factorization.

44142000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 44142000 is about 6643.9446114488. The cubic root of 44142000 is about 353.4142056091.

Adding to 44142000 its reverse (24144), we get a palindrome (44166144).

The spelling of 44142000 in words is "forty-four million, one hundred forty-two thousand".