454720342 has 8 divisors (see below), whose sum is σ = 682965216. Its totient is φ = 227065272.

The previous prime is 454720309. The next prime is 454720349. The reversal of 454720342 is 243027454.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454720349) 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, 145518 + ... + 148609.

It is an arithmetic number, because the mean of its divisors is an integer number (85370652).

Almost surely, 2^454720342 is an apocalyptic number.

454720342 is a deficient number, since it is larger than the sum of its proper divisors (228244874).

454720342 is a wasteful number, since it uses less digits than its factorization.

454720342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294902.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 454720342 is about 21324.1727154889. The cubic root of 454720342 is about 768.9795567828.

Adding to 454720342 its reverse (243027454), we get a palindrome (697747796).

The spelling of 454720342 in words is "four hundred fifty-four million, seven hundred twenty thousand, three hundred forty-two".