454145399 has 4 divisors (see below), whose sum is σ = 454226664. Its totient is φ = 454064136.

The previous prime is 454145383. The next prime is 454145449. The reversal of 454145399 is 993541454.

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

It is a cyclic number.

It is not a de Polignac number, because 454145399 - 2⁴ = 454145383 is a prime.

It is a super-3 number, since 3×454145399³ (a number of 27 digits) contains 333 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 (454145369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31577 + ... + 43650.

It is an arithmetic number, because the mean of its divisors is an integer number (113556666).

Almost surely, 2^454145399 is an apocalyptic number.

454145399 is a deficient number, since it is larger than the sum of its proper divisors (81265).

454145399 is an equidigital number, since it uses as much as digits as its factorization.

454145399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81264.

The product of its digits is 388800, while the sum is 44.

The square root of 454145399 is about 21310.6874361199. The cubic root of 454145399 is about 768.6553238860.

The spelling of 454145399 in words is "four hundred fifty-four million, one hundred forty-five thousand, three hundred ninety-nine".