381373454 has 16 divisors (see below), whose sum is σ = 713218176. Its totient is φ = 148587000.

The previous prime is 381373417. The next prime is 381373459. The reversal of 381373454 is 454373183.

It is a super-2 number, since 2×381373454² = 290891422831780232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381373459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1238072 + ... + 1238379.

It is an arithmetic number, because the mean of its divisors is an integer number (44576136).

Almost surely, 2^381373454 is an apocalyptic number.

381373454 is a deficient number, since it is larger than the sum of its proper divisors (331844722).

381373454 is a wasteful number, since it uses less digits than its factorization.

381373454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476471.

The product of its digits is 120960, while the sum is 38.

The square root of 381373454 is about 19528.7852668823. The cubic root of 381373454 is about 725.1872391541.

The spelling of 381373454 in words is "three hundred eighty-one million, three hundred seventy-three thousand, four hundred fifty-four".