454138 has 24 divisors (see below), whose sum is σ = 781812. Its totient is φ = 196992.

The previous prime is 454109. The next prime is 454141. The reversal of 454138 is 831454.

It can be written as a sum of positive squares in 2 ways, for example, as 393129 + 61009 = 627^2 + 247^2 .

It is an unprimeable number.

454138 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12256 + ... + 12292.

2⁴⁵⁴¹³⁸ is an apocalyptic number.

454138 is a deficient number, since it is larger than the sum of its proper divisors (327674).

454138 is a wasteful number, since it uses less digits than its factorization.

454138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 75 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 454138 is about 673.8976183368. The cubic root of 454138 is about 76.8651149517.

The spelling of 454138 in words is "four hundred fifty-four thousand, one hundred thirty-eight".