15284920146 has 16 divisors (see below), whose sum is σ = 30571252608. Its totient is φ = 5094738000.

The previous prime is 15284920141. The next prime is 15284920169. The reversal of 15284920146 is 64102948251.

It is a super-2 number, since 2×15284920146² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15284920098 and 15284920107.

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 7 ways as a sum of consecutive naturals, for example, 126996 + ... + 216096.

It is an arithmetic number, because the mean of its divisors is an integer number (1910703288).

Almost surely, 2^15284920146 is an apocalyptic number.

15284920146 is an abundant number, since it is smaller than the sum of its proper divisors (15286332462).

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

15284920146 is a wasteful number, since it uses less digits than its factorization.

15284920146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117697.

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 15284920146 in words is "fifteen billion, two hundred eighty-four million, nine hundred twenty thousand, one hundred forty-six".