454021342 has 8 divisors (see below), whose sum is σ = 681250032. Its totient is φ = 226938000.

The previous prime is 454021333. The next prime is 454021367. The reversal of 454021342 is 243120454.

It is a happy number.

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

It is a super-2 number, since 2×454021342² = 412270757982961928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 28159 + ... + 41242.

It is an arithmetic number, because the mean of its divisors is an integer number (85156254).

Almost surely, 2^454021342 is an apocalyptic number.

454021342 is a deficient number, since it is larger than the sum of its proper divisors (227228690).

454021342 is a wasteful number, since it uses less digits than its factorization.

454021342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72674.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 454021342 is about 21307.7765616218. The cubic root of 454021342 is about 768.5853273916.

Adding to 454021342 its reverse (243120454), we get a palindrome (697141796).

The spelling of 454021342 in words is "four hundred fifty-four million, twenty-one thousand, three hundred forty-two".