15142321350 has 144 divisors (see below), whose sum is σ = 44744761152. Its totient is φ = 3647969280.

The previous prime is 15142321343. The next prime is 15142321393. The reversal of 15142321350 is 5312324151.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 247414 + ... + 302486.

It is an arithmetic number, because the mean of its divisors is an integer number (310727508).

Almost surely, 2^15142321350 is an apocalyptic number.

15142321350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15142321350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22372380576).

15142321350 is an abundant number, since it is smaller than the sum of its proper divisors (29602439802).

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

15142321350 is a wasteful number, since it uses less digits than its factorization.

15142321350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55151 (or 55143 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 15142321350 in words is "fifteen billion, one hundred forty-two million, three hundred twenty-one thousand, three hundred fifty".