44145747 has 12 divisors (see below), whose sum is σ = 64847640. Its totient is φ = 28931328.

The previous prime is 44145713. The next prime is 44145757. The reversal of 44145747 is 74754144.

It is a happy number.

It is not a de Polignac number, because 44145747 - 2¹² = 44141651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44145707) 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, 41038 + ... + 42099.

It is an arithmetic number, because the mean of its divisors is an integer number (5403970).

Almost surely, 2^44145747 is an apocalyptic number.

44145747 is a deficient number, since it is larger than the sum of its proper divisors (20701893).

44145747 is a wasteful number, since it uses less digits than its factorization.

44145747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83202 (or 83199 counting only the distinct ones).

The product of its digits is 62720, while the sum is 36.

The square root of 44145747 is about 6644.2265915605. The cubic root of 44145747 is about 353.4242051980.

The spelling of 44145747 in words is "forty-four million, one hundred forty-five thousand, seven hundred forty-seven".