159315420 has 96 divisors (see below), whose sum is σ = 489484800. Its totient is φ = 38396160.

The previous prime is 159315389. The next prime is 159315421. The reversal of 159315420 is 24513951.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159315421) 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 31 ways as a sum of consecutive naturals, for example, 130734 + ... + 131946.

It is an arithmetic number, because the mean of its divisors is an integer number (5098800).

Almost surely, 2^159315420 is an apocalyptic number.

159315420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159315420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244742400).

159315420 is an abundant number, since it is smaller than the sum of its proper divisors (330169380).

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

159315420 is a wasteful number, since it uses less digits than its factorization.

159315420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435 (or 1433 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 159315420 is about 12622.0212327503. The cubic root of 159315420 is about 542.1081514184.

The spelling of 159315420 in words is "one hundred fifty-nine million, three hundred fifteen thousand, four hundred twenty".