238463145 has 24 divisors (see below), whose sum is σ = 413712000. Its totient is φ = 127064736.

The previous prime is 238463107. The next prime is 238463153. The reversal of 238463145 is 541364832.

238463145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 238463145 - 2¹⁶ = 238397609 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74896 + ... + 78014.

It is an arithmetic number, because the mean of its divisors is an integer number (17238000).

Almost surely, 2^238463145 is an apocalyptic number.

It is an amenable number.

238463145 is a deficient number, since it is larger than the sum of its proper divisors (175248855).

238463145 is a wasteful number, since it uses less digits than its factorization.

238463145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829 (or 4826 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 238463145 is about 15442.2519406983. The cubic root of 238463145 is about 620.1171691495.

The spelling of 238463145 in words is "two hundred thirty-eight million, four hundred sixty-three thousand, one hundred forty-five".