1453247872 has 16 divisors (see below), whose sum is σ = 2895142500. Its totient is φ = 726623872.

The previous prime is 1453247867. The next prime is 1453247879. The reversal of 1453247872 is 2787423541.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×1453247872² = 4223858754945056768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453247879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5676622 + ... + 5676877.

Almost surely, 2^1453247872 is an apocalyptic number.

It is an amenable number.

1453247872 is a deficient number, since it is larger than the sum of its proper divisors (1441894628).

1453247872 is an equidigital number, since it uses as much as digits as its factorization.

1453247872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11353513 (or 11353501 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The square root of 1453247872 is about 38121.4883235164. The cubic root of 1453247872 is about 1132.6956480317.

The spelling of 1453247872 in words is "one billion, four hundred fifty-three million, two hundred forty-seven thousand, eight hundred seventy-two".