159000457434 has 128 divisors (see below), whose sum is σ = 409548668928. Its totient is φ = 40025249280.

The previous prime is 159000457423. The next prime is 159000457459. The reversal of 159000457434 is 434754000951.

It is a super-2 number, since 2×159000457434² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 1171257 + ... + 1299939.

It is an arithmetic number, because the mean of its divisors is an integer number (3199598976).

Almost surely, 2^159000457434 is an apocalyptic number.

159000457434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 159000457434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204774334464).

159000457434 is an abundant number, since it is smaller than the sum of its proper divisors (250548211494).

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

159000457434 is a wasteful number, since it uses less digits than its factorization.

159000457434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128812.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 159000457434 in words is "one hundred fifty-nine billion, four hundred fifty-seven thousand, four hundred thirty-four".