381451514 has 4 divisors (see below), whose sum is σ = 572177274. Its totient is φ = 190725756.

The previous prime is 381451507. The next prime is 381451541. The reversal of 381451514 is 415154183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 415154183 = 673 ⋅616871.

It can be written as a sum of positive squares in only one way, i.e., 270043489 + 111408025 = 16433^2 + 10555^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95362877 + ... + 95362880.

Almost surely, 2^381451514 is an apocalyptic number.

381451514 is a deficient number, since it is larger than the sum of its proper divisors (190725760).

381451514 is a wasteful number, since it uses less digits than its factorization.

381451514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190725759.

The product of its digits is 9600, while the sum is 32.

The square root of 381451514 is about 19530.7837528349. The cubic root of 381451514 is about 725.2367131920.

The spelling of 381451514 in words is "three hundred eighty-one million, four hundred fifty-one thousand, five hundred fourteen".