159494400 has 432 divisors, whose sum is σ = 638709120. Its totient is φ = 38707200.

The previous prime is 159494389. The next prime is 159494431. The reversal of 159494400 is 4494951.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2246365 + ... + 2246435.

Almost surely, 2^159494400 is an apocalyptic number.

159494400 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 159494400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319354560).

159494400 is an abundant number, since it is smaller than the sum of its proper divisors (479214720).

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

159494400 is a wasteful number, since it uses less digits than its factorization.

159494400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 159494400 is about 12629.1092322460. The cubic root of 159494400 is about 542.3110826128.

The spelling of 159494400 in words is "one hundred fifty-nine million, four hundred ninety-four thousand, four hundred".