15203254452 has 12 divisors (see below), whose sum is σ = 35474260416. Its totient is φ = 5067751480.

The previous prime is 15203254441. The next prime is 15203254463. The reversal of 15203254452 is 25445230251.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (15203254441) and next prime (15203254463).

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

It is a super-2 number, since 2×15203254452² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 633468924 + ... + 633468947.

It is an arithmetic number, because the mean of its divisors is an integer number (2956188368).

Almost surely, 2^15203254452 is an apocalyptic number.

15203254452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15203254452 is an abundant number, since it is smaller than the sum of its proper divisors (20271005964).

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

15203254452 is a wasteful number, since it uses less digits than its factorization.

15203254452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266937878 (or 1266937876 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 15203254452 in words is "fifteen billion, two hundred three million, two hundred fifty-four thousand, four hundred fifty-two".