238905150 has 48 divisors (see below), whose sum is σ = 646351488. Its totient is φ = 57916000.

The previous prime is 238905143. The next prime is 238905167. The reversal of 238905150 is 51509832.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent 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, 70746 + ... + 74045.

It is an arithmetic number, because the mean of its divisors is an integer number (13465656).

Almost surely, 2^238905150 is an apocalyptic number.

238905150 is an abundant number, since it is smaller than the sum of its proper divisors (407446338).

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

238905150 is a wasteful number, since it uses less digits than its factorization.

238905150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144817 (or 144812 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 238905150 is about 15456.5568610865. The cubic root of 238905150 is about 620.5000734810.

The spelling of 238905150 in words is "two hundred thirty-eight million, nine hundred five thousand, one hundred fifty".