381480159 has 4 divisors (see below), whose sum is σ = 508640216. Its totient is φ = 254320104.

The previous prime is 381480109. The next prime is 381480191. The reversal of 381480159 is 951084183.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 381480159 - 2⁹ = 381479647 is a prime.

It is a super-2 number, since 2×381480159² = 291054223421330562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381480109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63580024 + ... + 63580029.

It is an arithmetic number, because the mean of its divisors is an integer number (127160054).

Almost surely, 2^381480159 is an apocalyptic number.

381480159 is a deficient number, since it is larger than the sum of its proper divisors (127160057).

381480159 is a wasteful number, since it uses less digits than its factorization.

381480159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127160056.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 381480159 is about 19531.5170685741. The cubic root of 381480159 is about 725.2548665570.

The spelling of 381480159 in words is "three hundred eighty-one million, four hundred eighty thousand, one hundred fifty-nine".