454211642 has 4 divisors (see below), whose sum is σ = 681317466. Its totient is φ = 227105820.

The previous prime is 454211629. The next prime is 454211651. The reversal of 454211642 is 246112454.

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., 441042001 + 13169641 = 21001^2 + 3629^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113552909 + ... + 113552912.

Almost surely, 2^454211642 is an apocalyptic number.

454211642 is a deficient number, since it is larger than the sum of its proper divisors (227105824).

454211642 is a wasteful number, since it uses less digits than its factorization.

454211642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227105823.

The product of its digits is 7680, while the sum is 29.

The square root of 454211642 is about 21312.2415996066. The cubic root of 454211642 is about 768.6926948537.

The spelling of 454211642 in words is "four hundred fifty-four million, two hundred eleven thousand, six hundred forty-two".