15435040645 has 8 divisors (see below), whose sum is σ = 18527345280. Its totient is φ = 12344501520.

The previous prime is 15435040627. The next prime is 15435040651. The reversal of 15435040645 is 54604053451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15435040645 - 2⁵ = 15435040613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422065 + ... + 457174.

It is an arithmetic number, because the mean of its divisors is an integer number (2315918160).

Almost surely, 2^15435040645 is an apocalyptic number.

It is an amenable number.

15435040645 is a deficient number, since it is larger than the sum of its proper divisors (3092304635).

15435040645 is an equidigital number, since it uses as much as digits as its factorization.

15435040645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882755.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 15435040645 in words is "fifteen billion, four hundred thirty-five million, forty thousand, six hundred forty-five".