44145140285 has 32 divisors (see below), whose sum is σ = 53873664000. Its totient is φ = 34722520128.

The previous prime is 44145140261. The next prime is 44145140287. The reversal of 44145140285 is 58204154144.

It is a cyclic number.

It is not a de Polignac number, because 44145140285 - 2²⁶ = 44078031421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44145140287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72726452 + ... + 72727058.

It is an arithmetic number, because the mean of its divisors is an integer number (1683552000).

Almost surely, 2^44145140285 is an apocalyptic number.

It is an amenable number.

44145140285 is a deficient number, since it is larger than the sum of its proper divisors (9728523715).

44145140285 is a wasteful number, since it uses less digits than its factorization.

44145140285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497.

The product of its (nonzero) digits is 102400, while the sum is 38.

The spelling of 44145140285 in words is "forty-four billion, one hundred forty-five million, one hundred forty thousand, two hundred eighty-five".