230990144 has 112 divisors (see below), whose sum is σ = 601797120. Its totient is φ = 85224960.

The previous prime is 230990141. The next prime is 230990147. The reversal of 230990144 is 441099032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (230990141) and next prime (230990147).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 230990144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230990141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92399 + ... + 94865.

Almost surely, 2^230990144 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 230990144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300898560).

230990144 is an abundant number, since it is smaller than the sum of its proper divisors (370806976).

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

230990144 is a wasteful number, since it uses less digits than its factorization.

230990144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516 (or 2506 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 230990144 is about 15198.3599115168. The cubic root of 230990144 is about 613.5705173817.

The spelling of 230990144 in words is "two hundred thirty million, nine hundred ninety thousand, one hundred forty-four".