15284920145 has 16 divisors (see below), whose sum is σ = 20022379200. Its totient is φ = 11109067200.

The previous prime is 15284920141. The next prime is 15284920169. The reversal of 15284920145 is 54102948251.

It is not a de Polignac number, because 15284920145 - 2² = 15284920141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15284920141) 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 15 ways as a sum of consecutive naturals, for example, 4511 + ... + 174900.

It is an arithmetic number, because the mean of its divisors is an integer number (1251398700).

Almost surely, 2^15284920145 is an apocalyptic number.

It is an amenable number.

15284920145 is a deficient number, since it is larger than the sum of its proper divisors (4737459055).

15284920145 is a wasteful number, since it uses less digits than its factorization.

15284920145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180976.

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 15284920145 in words is "fifteen billion, two hundred eighty-four million, nine hundred twenty thousand, one hundred forty-five".