1452525140 has 36 divisors (see below), whose sum is σ = 3352817748. Its totient is φ = 528190080.

The previous prime is 1452525097. The next prime is 1452525143. The reversal of 1452525140 is 415252541.

It can be written as a sum of positive squares in 2 ways, for example, as 1040191504 + 412333636 = 32252^2 + 20306^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452525143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297689 + ... + 302528.

Almost surely, 2^1452525140 is an apocalyptic number.

1452525140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1452525140 is an abundant number, since it is smaller than the sum of its proper divisors (1900292608).

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

1452525140 is a wasteful number, since it uses less digits than its factorization.

1452525140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600248 (or 600235 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 1452525140 is about 38112.0078190588. The cubic root of 1452525140 is about 1132.5078454430.

Adding to 1452525140 its reverse (415252541), we get a palindrome (1867777681).

The spelling of 1452525140 in words is "one billion, four hundred fifty-two million, five hundred twenty-five thousand, one hundred forty".