238615146 has 240 divisors, whose sum is σ = 704487168. Its totient is φ = 59019840.

The previous prime is 238615081. The next prime is 238615147. The reversal of 238615146 is 641516832.

It is a happy number.

238615146 is a `hidden beast` number, since 2 + 38 + 615 + 1 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 238615146.

It is not an unprimeable number, because it can be changed into a prime (238615147) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 5076895 + ... + 5076941.

Almost surely, 2^238615146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238615146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352243584).

238615146 is an abundant number, since it is smaller than the sum of its proper divisors (465872022).

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

238615146 is a wasteful number, since it uses less digits than its factorization.

238615146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 107 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 238615146 is about 15447.1727510247. The cubic root of 238615146 is about 620.2488993721.

The spelling of 238615146 in words is "two hundred thirty-eight million, six hundred fifteen thousand, one hundred forty-six".