44402145 has 16 divisors (see below), whose sum is σ = 74783040. Its totient is φ = 22434624.

The previous prime is 44402129. The next prime is 44402153. The reversal of 44402145 is 54120444.

It is a happy number.

It is not a de Polignac number, because 44402145 - 2⁴ = 44402129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77614 + ... + 78183.

It is an arithmetic number, because the mean of its divisors is an integer number (4673940).

Almost surely, 2^44402145 is an apocalyptic number.

It is an amenable number.

44402145 is a deficient number, since it is larger than the sum of its proper divisors (30380895).

44402145 is a wasteful number, since it uses less digits than its factorization.

44402145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155824.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 44402145 is about 6663.4934531370. The cubic root of 44402145 is about 354.1071127238.

Adding to 44402145 its reverse (54120444), we get a palindrome (98522589).

The spelling of 44402145 in words is "forty-four million, four hundred two thousand, one hundred forty-five".