1456441745 has 16 divisors (see below), whose sum is σ = 1923495552. Its totient is φ = 1049852160.

The previous prime is 1456441739. The next prime is 1456441771. The reversal of 1456441745 is 5471446541.

It is not a de Polignac number, because 1456441745 - 2¹⁶ = 1456376209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110957 + ... + 123386.

It is an arithmetic number, because the mean of its divisors is an integer number (120218472).

Almost surely, 2^1456441745 is an apocalyptic number.

It is an amenable number.

1456441745 is a deficient number, since it is larger than the sum of its proper divisors (467053807).

1456441745 is a wasteful number, since it uses less digits than its factorization.

1456441745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234472.

The product of its digits is 268800, while the sum is 41.

The square root of 1456441745 is about 38163.3560500122. The cubic root of 1456441745 is about 1133.5248341817.

The spelling of 1456441745 in words is "one billion, four hundred fifty-six million, four hundred forty-one thousand, seven hundred forty-five".