43444910145 has 32 divisors (see below), whose sum is σ = 85553056512. Its totient is φ = 18332796672.

The previous prime is 43444910141. The next prime is 43444910191. The reversal of 43444910145 is 54101944434.

It is not a de Polignac number, because 43444910145 - 2² = 43444910141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43444910141) 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, 15912522 + ... + 15915251.

It is an arithmetic number, because the mean of its divisors is an integer number (2673533016).

Almost surely, 2^43444910145 is an apocalyptic number.

It is an amenable number.

43444910145 is a deficient number, since it is larger than the sum of its proper divisors (42108146367).

43444910145 is a wasteful number, since it uses less digits than its factorization.

43444910145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31827801.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 43444910145 in words is "forty-three billion, four hundred forty-four million, nine hundred ten thousand, one hundred forty-five".