1452133440 has 112 divisors (see below), whose sum is σ = 5122834560. Its totient is φ = 387233280.

The previous prime is 1452133433. The next prime is 1452133453. The reversal of 1452133440 is 443312541.

It is a happy number.

1452133440 is a `hidden beast` number, since 1 + 4 + 5 + 213 + 3 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75396 + ... + 92675.

Almost surely, 2^1452133440 is an apocalyptic number.

1452133440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1452133440 is an abundant number, since it is smaller than the sum of its proper divisors (3670701120).

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

1452133440 is a wasteful number, since it uses less digits than its factorization.

1452133440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168097 (or 168081 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1452133440 is about 38106.8686721961. The cubic root of 1452133440 is about 1132.4060357985.

Adding to 1452133440 its reverse (443312541), we get a palindrome (1895445981).

It can be divided in two parts, 14521 and 33440, that added together give a square (47961 = 219²).

The spelling of 1452133440 in words is "one billion, four hundred fifty-two million, one hundred thirty-three thousand, four hundred forty".