454390043 has 4 divisors (see below), whose sum is σ = 454432680. Its totient is φ = 454347408.

The previous prime is 454390039. The next prime is 454390061. The reversal of 454390043 is 340093454.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 454390043 - 2² = 454390039 is a prime.

It is a super-4 number, since 4×454390043⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 454389991 and 454390009.

It is not an unprimeable number, because it can be changed into a prime (454390543) 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, 10271 + ... + 31847.

It is an arithmetic number, because the mean of its divisors is an integer number (113608170).

Almost surely, 2^454390043 is an apocalyptic number.

454390043 is a deficient number, since it is larger than the sum of its proper divisors (42637).

454390043 is a wasteful number, since it uses less digits than its factorization.

454390043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42636.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 454390043 is about 21316.4266001598. The cubic root of 454390043 is about 768.7933216558.

The spelling of 454390043 in words is "four hundred fifty-four million, three hundred ninety thousand, forty-three".