381770151 has 16 divisors (see below), whose sum is σ = 582086400. Its totient is φ = 218026368.

The previous prime is 381770141. The next prime is 381770153. The reversal of 381770151 is 151077183.

It is not a de Polignac number, because 381770151 - 2⁵ = 381770119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381770153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40440 + ... + 48978.

It is an arithmetic number, because the mean of its divisors is an integer number (36380400).

Almost surely, 2^381770151 is an apocalyptic number.

381770151 is a deficient number, since it is larger than the sum of its proper divisors (200316249).

381770151 is a wasteful number, since it uses less digits than its factorization.

381770151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10678.

The product of its (nonzero) digits is 5880, while the sum is 33.

The square root of 381770151 is about 19538.9393519710. The cubic root of 381770151 is about 725.4385937521.

The spelling of 381770151 in words is "three hundred eighty-one million, seven hundred seventy thousand, one hundred fifty-one".