15442233317146 has 8 divisors (see below), whose sum is σ = 23163366822804. Its totient is φ = 7721111042880.

The previous prime is 15442233317089. The next prime is 15442233317149. The reversal of 15442233317146 is 64171333224451.

It can be written as a sum of positive squares in 2 ways, for example, as 14914850900625 + 527382416521 = 3861975^2 + 726211^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 15442233317096 and 15442233317105.

It is not an unprimeable number, because it can be changed into a prime (15442233317149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3202786 + ... + 6414226.

Almost surely, 2^{15442233317146} is an apocalyptic number.

15442233317146 is a deficient number, since it is larger than the sum of its proper divisors (7721133505658).

15442233317146 is a wasteful number, since it uses less digits than its factorization.

15442233317146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5615696.

The product of its digits is 1451520, while the sum is 46.

The spelling of 15442233317146 in words is "fifteen trillion, four hundred forty-two billion, two hundred thirty-three million, three hundred seventeen thousand, one hundred forty-six".