15142253430 has 128 divisors (see below), whose sum is σ = 39890880000. Its totient is φ = 3661543424.

The previous prime is 15142253429. The next prime is 15142253491. The reversal of 15142253430 is 3435224151.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10100821 + ... + 10102319.

It is an arithmetic number, because the mean of its divisors is an integer number (311647500).

Almost surely, 2^15142253430 is an apocalyptic number.

15142253430 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 15142253430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19945440000).

15142253430 is an abundant number, since it is smaller than the sum of its proper divisors (24748626570).

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

15142253430 is a wasteful number, since it uses less digits than its factorization.

15142253430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 15142253430 its reverse (3435224151), we get a palindrome (18577477581).

The spelling of 15142253430 in words is "fifteen billion, one hundred forty-two million, two hundred fifty-three thousand, four hundred thirty".