381157654 has 8 divisors (see below), whose sum is σ = 571891320. Its totient is φ = 190527216.

The previous prime is 381157649. The next prime is 381157681. The reversal of 381157654 is 456751183.

It is a happy number.

381157654 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15799 + ... + 31810.

It is an arithmetic number, because the mean of its divisors is an integer number (71486415).

Almost surely, 2^381157654 is an apocalyptic number.

381157654 is a deficient number, since it is larger than the sum of its proper divisors (190733666).

381157654 is a wasteful number, since it uses less digits than its factorization.

381157654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51614.

The product of its digits is 100800, while the sum is 40.

The square root of 381157654 is about 19523.2593078103. The cubic root of 381157654 is about 725.0504310540.

The spelling of 381157654 in words is "three hundred eighty-one million, one hundred fifty-seven thousand, six hundred fifty-four".