381565150 has 24 divisors (see below), whose sum is σ = 715311360. Its totient is φ = 151421760.

The previous prime is 381565133. The next prime is 381565159. The reversal of 381565150 is 51565183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381565159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23695 + ... + 36394.

It is an arithmetic number, because the mean of its divisors is an integer number (29804640).

Almost surely, 2^381565150 is an apocalyptic number.

381565150 is a deficient number, since it is larger than the sum of its proper divisors (333746210).

381565150 is a wasteful number, since it uses less digits than its factorization.

381565150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60228 (or 60223 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 381565150 is about 19533.6926872519. The cubic root of 381565150 is about 725.3087230576.

The spelling of 381565150 in words is "three hundred eighty-one million, five hundred sixty-five thousand, one hundred fifty".