1452578456 has 32 divisors (see below), whose sum is σ = 3124535040. Its totient is φ = 620160288.

The previous prime is 1452578453. The next prime is 1452578461. The reversal of 1452578456 is 6548752541.

It is a self number, because there is not a number n which added to its sum of digits gives 1452578456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452578453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34586 + ... + 64041.

It is an arithmetic number, because the mean of its divisors is an integer number (97641720).

Almost surely, 2^1452578456 is an apocalyptic number.

It is an amenable number.

1452578456 is an abundant number, since it is smaller than the sum of its proper divisors (1671956584).

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

1452578456 is a wasteful number, since it uses less digits than its factorization.

1452578456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98903 (or 98899 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 47.

The square root of 1452578456 is about 38112.7072772324. The cubic root of 1452578456 is about 1132.5217017837.

The spelling of 1452578456 in words is "one billion, four hundred fifty-two million, five hundred seventy-eight thousand, four hundred fifty-six".