454415642 has 4 divisors (see below), whose sum is σ = 681623466. Its totient is φ = 227207820.

The previous prime is 454415629. The next prime is 454415653. The reversal of 454415642 is 246514454.

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

It can be written as a sum of positive squares in only one way, i.e., 385376161 + 69039481 = 19631^2 + 8309^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113603909 + ... + 113603912.

Almost surely, 2^454415642 is an apocalyptic number.

454415642 is a deficient number, since it is larger than the sum of its proper divisors (227207824).

454415642 is a wasteful number, since it uses less digits than its factorization.

454415642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227207823.

The product of its digits is 76800, while the sum is 35.

The square root of 454415642 is about 21317.0270441260. The cubic root of 454415642 is about 768.8077585704.

The spelling of 454415642 in words is "four hundred fifty-four million, four hundred fifteen thousand, six hundred forty-two".