454144381 has 4 divisors (see below), whose sum is σ = 457611264. Its totient is φ = 450677500.

The previous prime is 454144367. The next prime is 454144387. The reversal of 454144381 is 183441454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 454144381 - 2⁵ = 454144349 is a prime.

It is a super-2 number, since 2×454144381² = 412494237587746322, 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 (454144387) 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, 1733245 + ... + 1733506.

It is an arithmetic number, because the mean of its divisors is an integer number (114402816).

Almost surely, 2^454144381 is an apocalyptic number.

It is an amenable number.

454144381 is a deficient number, since it is larger than the sum of its proper divisors (3466883).

454144381 is a wasteful number, since it uses less digits than its factorization.

454144381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466882.

The product of its digits is 30720, while the sum is 34.

The square root of 454144381 is about 21310.6635513773. The cubic root of 454144381 is about 768.6547495532.

The spelling of 454144381 in words is "four hundred fifty-four million, one hundred forty-four thousand, three hundred eighty-one".