44142500 has 30 divisors (see below), whose sum is σ = 96536286. Its totient is φ = 17656000.

The previous prime is 44142479. The next prime is 44142521. The reversal of 44142500 is 524144.

It is an interprime number because it is at equal distance from previous prime (44142479) and next prime (44142521).

It can be written as a sum of positive squares in 5 ways, for example, as 26770276 + 17372224 = 5174^2 + 4168^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6329 + ... + 11328.

Almost surely, 2^44142500 is an apocalyptic number.

It is an amenable number.

44142500 is an abundant number, since it is smaller than the sum of its proper divisors (52393786).

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

44142500 is a wasteful number, since it uses less digits than its factorization.

44142500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17681 (or 17664 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 44142500 is about 6643.9822395910. The cubic root of 44142500 is about 353.4155399878.

Adding to 44142500 its reverse (524144), we get a palindrome (44666644).

The spelling of 44142500 in words is "forty-four million, one hundred forty-two thousand, five hundred".