1451055645 has 48 divisors (see below), whose sum is σ = 2730104832. Its totient is φ = 708704640.

The previous prime is 1451055637. The next prime is 1451055709. The reversal of 1451055645 is 5465501541.

1451055645 is a `hidden beast` number, since 1 + 4 + 5 + 1 + 0 + 5 + 5 + 645 = 666.

It is not a de Polignac number, because 1451055645 - 2³ = 1451055637 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64530 + ... + 84060.

It is an arithmetic number, because the mean of its divisors is an integer number (56877184).

Almost surely, 2^1451055645 is an apocalyptic number.

1451055645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1451055645 is a deficient number, since it is larger than the sum of its proper divisors (1279049187).

1451055645 is a wasteful number, since it uses less digits than its factorization.

1451055645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19682 (or 19679 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 1451055645 is about 38092.7243053053. The cubic root of 1451055645 is about 1132.1258035985.

The spelling of 1451055645 in words is "one billion, four hundred fifty-one million, fifty-five thousand, six hundred forty-five".