1456947145 has 16 divisors (see below), whose sum is σ = 1806105600. Its totient is φ = 1127102400.

The previous prime is 1456947139. The next prime is 1456947179. The reversal of 1456947145 is 5417496541.

It is not a de Polignac number, because 1456947145 - 2⁹ = 1456946633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1456947095 and 1456947104.

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, 267156 + ... + 272554.

It is an arithmetic number, because the mean of its divisors is an integer number (112881600).

Almost surely, 2^1456947145 is an apocalyptic number.

It is an amenable number.

1456947145 is a deficient number, since it is larger than the sum of its proper divisors (349158455).

1456947145 is a wasteful number, since it uses less digits than its factorization.

1456947145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7176.

The product of its digits is 604800, while the sum is 46.

The square root of 1456947145 is about 38169.9770107345. The cubic root of 1456947145 is about 1133.6559338751.

The spelling of 1456947145 in words is "one billion, four hundred fifty-six million, nine hundred forty-seven thousand, one hundred forty-five".