1456845020 has 12 divisors (see below), whose sum is σ = 3059374584. Its totient is φ = 582738000.

The previous prime is 1456845011. The next prime is 1456845023. The reversal of 1456845020 is 205486541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1456845023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36421106 + ... + 36421145.

It is an arithmetic number, because the mean of its divisors is an integer number (254947882).

Almost surely, 2^1456845020 is an apocalyptic number.

1456845020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1456845020 is an abundant number, since it is smaller than the sum of its proper divisors (1602529564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1456845020 is a wasteful number, since it uses less digits than its factorization.

1456845020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72842260 (or 72842258 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 1456845020 is about 38168.6392212245. The cubic root of 1456845020 is about 1133.6294453101.

The spelling of 1456845020 in words is "one billion, four hundred fifty-six million, eight hundred forty-five thousand, twenty".