43775444145 has 32 divisors (see below), whose sum is σ = 70528014720. Its totient is φ = 23184645120.

The previous prime is 43775444129. The next prime is 43775444171. The reversal of 43775444145 is 54144457734.

It is not a de Polignac number, because 43775444145 - 2⁴ = 43775444129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43775444094 and 43775444103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5009430 + ... + 5018160.

It is an arithmetic number, because the mean of its divisors is an integer number (2204000460).

Almost surely, 2^43775444145 is an apocalyptic number.

It is an amenable number.

43775444145 is a deficient number, since it is larger than the sum of its proper divisors (26752570575).

43775444145 is a wasteful number, since it uses less digits than its factorization.

43775444145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11025.

The product of its digits is 3763200, while the sum is 48.

The spelling of 43775444145 in words is "forty-three billion, seven hundred seventy-five million, four hundred forty-four thousand, one hundred forty-five".