381152052 has 36 divisors (see below), whose sum is σ = 964481700. Its totient is φ = 126916992.

The previous prime is 381152029. The next prime is 381152071. The reversal of 381152052 is 250251183.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 279424656 + 101727396 = 16716^2 + 10086^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32718 + ... + 42810.

Almost surely, 2^381152052 is an apocalyptic number.

It is an amenable number.

381152052 is an abundant number, since it is smaller than the sum of its proper divisors (583329648).

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

381152052 is a wasteful number, since it uses less digits than its factorization.

381152052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11152 (or 11147 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 381152052 is about 19523.1158373862. The cubic root of 381152052 is about 725.0468789346.

The spelling of 381152052 in words is "three hundred eighty-one million, one hundred fifty-two thousand, fifty-two".