1443457572 has 12 divisors (see below), whose sum is σ = 3368067696. Its totient is φ = 481152520.

The previous prime is 1443457549. The next prime is 1443457633. The reversal of 1443457572 is 2757543441.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60144054 + ... + 60144077.

It is an arithmetic number, because the mean of its divisors is an integer number (280672308).

Almost surely, 2^1443457572 is an apocalyptic number.

1443457572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1443457572 is an abundant number, since it is smaller than the sum of its proper divisors (1924610124).

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

1443457572 is a wasteful number, since it uses less digits than its factorization.

1443457572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120288138 (or 120288136 counting only the distinct ones).

The product of its digits is 470400, while the sum is 42.

The square root of 1443457572 is about 37992.8621190876. The cubic root of 1443457572 is about 1130.1463177541.

The spelling of 1443457572 in words is "one billion, four hundred forty-three million, four hundred fifty-seven thousand, five hundred seventy-two".