15245443450 has 12 divisors (see below), whose sum is σ = 28356524910. Its totient is φ = 6098177360.

The previous prime is 15245443427. The next prime is 15245443501. The reversal of 15245443450 is 5434454251.

It can be written as a sum of positive squares in 3 ways, for example, as 12823524081 + 2421919369 = 113241^2 + 49213^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152454385 + ... + 152454484.

Almost surely, 2^15245443450 is an apocalyptic number.

15245443450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15245443450 is a deficient number, since it is larger than the sum of its proper divisors (13111081460).

15245443450 is a wasteful number, since it uses less digits than its factorization.

15245443450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304908881 (or 304908876 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 15245443450 in words is "fifteen billion, two hundred forty-five million, four hundred forty-three thousand, four hundred fifty".