454442542 has 4 divisors (see below), whose sum is σ = 681663816. Its totient is φ = 227221270.

The previous prime is 454442519. The next prime is 454442543. The reversal of 454442542 is 245244454.

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

It is a junction number, because it is equal to n+sod(n) for n = 454442498 and 454442507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454442543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113610634 + ... + 113610637.

It is an arithmetic number, because the mean of its divisors is an integer number (170415954).

Almost surely, 2^454442542 is an apocalyptic number.

454442542 is a deficient number, since it is larger than the sum of its proper divisors (227221274).

454442542 is a wasteful number, since it uses less digits than its factorization.

454442542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227221273.

The product of its digits is 102400, while the sum is 34.

The square root of 454442542 is about 21317.6579858107. The cubic root of 454442542 is about 768.8229286179.

Adding to 454442542 its reverse (245244454), we get a palindrome (699686996).

The spelling of 454442542 in words is "four hundred fifty-four million, four hundred forty-two thousand, five hundred forty-two".