15342345450 has 72 divisors (see below), whose sum is σ = 41249392236. Its totient is φ = 4088352000.

The previous prime is 15342345449. The next prime is 15342345457. The reversal of 15342345450 is 5454324351.

15342345450 is a `hidden beast` number, since 1 + 534 + 23 + 4 + 54 + 50 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 2299106601 + 13043238849 = 47949^2 + 114207^2 .

It is not an unprimeable number, because it can be changed into a prime (15342345457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 654940 + ... + 677960.

Almost surely, 2^15342345450 is an apocalyptic number.

15342345450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15342345450 is an abundant number, since it is smaller than the sum of its proper divisors (25907046786).

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

15342345450 is a wasteful number, since it uses less digits than its factorization.

15342345450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24520 (or 24512 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 15342345450 in words is "fifteen billion, three hundred forty-two million, three hundred forty-five thousand, four hundred fifty".