1515043452 has 48 divisors (see below), whose sum is σ = 3837059072. Its totient is φ = 462490560.

The previous prime is 1515043421. The next prime is 1515043459. The reversal of 1515043452 is 2543405151.

It is a super-2 number, since 2×1515043452² = 4590713322896152608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1515043459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18424 + ... + 58047.

Almost surely, 2^1515043452 is an apocalyptic number.

1515043452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1515043452 is an abundant number, since it is smaller than the sum of its proper divisors (2322015620).

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

1515043452 is a wasteful number, since it uses less digits than its factorization.

1515043452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76618 (or 76616 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1515043452 is about 38923.5590870105. The cubic root of 1515043452 is about 1148.5282880171.

The spelling of 1515043452 in words is "one billion, five hundred fifteen million, forty-three thousand, four hundred fifty-two".