44145012 has 12 divisors (see below), whose sum is σ = 103005056. Its totient is φ = 14715000.

The previous prime is 44145011. The next prime is 44145041. The reversal of 44145012 is 21054144.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 44145012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44145011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1839364 + ... + 1839387.

Almost surely, 2^44145012 is an apocalyptic number.

It is an amenable number.

44145012 is an abundant number, since it is smaller than the sum of its proper divisors (58860044).

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

44145012 is a wasteful number, since it uses less digits than its factorization.

44145012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678758 (or 3678756 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 44145012 is about 6644.1712801523. The cubic root of 44145012 is about 353.4222437540.

Adding to 44145012 its reverse (21054144), we get a palindrome (65199156).

The spelling of 44145012 in words is "forty-four million, one hundred forty-five thousand, twelve".