1452443652 has 72 divisors (see below), whose sum is σ = 4179389760. Its totient is φ = 420995520.

The previous prime is 1452443591. The next prime is 1452443687. The reversal of 1452443652 is 2563442541.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70627 + ... + 88842.

It is an arithmetic number, because the mean of its divisors is an integer number (58047080).

Almost surely, 2^1452443652 is an apocalyptic number.

1452443652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1452443652 is an abundant number, since it is smaller than the sum of its proper divisors (2726946108).

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

1452443652 is a wasteful number, since it uses less digits than its factorization.

1452443652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159513 (or 159508 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 1452443652 is about 38110.9387446701. The cubic root of 1452443652 is about 1132.4866668021.

The spelling of 1452443652 in words is "one billion, four hundred fifty-two million, four hundred forty-three thousand, six hundred fifty-two".