15730157144 has 64 divisors (see below), whose sum is σ = 33550218240. Its totient is φ = 6862423680.

The previous prime is 15730157143. The next prime is 15730157153. The reversal of 15730157144 is 44175103751.

It is a happy number.

15730157144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 15730157098 and 15730157107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15730157143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81899 + ... + 195365.

It is an arithmetic number, because the mean of its divisors is an integer number (524222160).

Almost surely, 2^15730157144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15730157144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16775109120).

15730157144 is an abundant number, since it is smaller than the sum of its proper divisors (17820061096).

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

15730157144 is a wasteful number, since it uses less digits than its factorization.

15730157144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113560 (or 113556 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 38.

The spelling of 15730157144 in words is "fifteen billion, seven hundred thirty million, one hundred fifty-seven thousand, one hundred forty-four".