454652439 has 4 divisors (see below), whose sum is σ = 606203256. Its totient is φ = 303101624.

The previous prime is 454652377. The next prime is 454652441. The reversal of 454652439 is 934256454.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454652439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 454652439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454652489) 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, 75775404 + ... + 75775409.

It is an arithmetic number, because the mean of its divisors is an integer number (151550814).

Almost surely, 2^454652439 is an apocalyptic number.

454652439 is a deficient number, since it is larger than the sum of its proper divisors (151550817).

454652439 is a wasteful number, since it uses less digits than its factorization.

454652439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151550816.

The product of its digits is 518400, while the sum is 42.

The square root of 454652439 is about 21322.5804958030. The cubic root of 454652439 is about 768.9412778573.

The spelling of 454652439 in words is "four hundred fifty-four million, six hundred fifty-two thousand, four hundred thirty-nine".