450351442 has 4 divisors (see below), whose sum is σ = 675527166. Its totient is φ = 225175720.

The previous prime is 450351397. The next prime is 450351449. The reversal of 450351442 is 244153054.

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., 286997481 + 163353961 = 16941^2 + 12781^2 .

It is a super-2 number, since 2×450351442² = 405632842622958728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 450351442.

It is not an unprimeable number, because it can be changed into a prime (450351449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112587859 + ... + 112587862.

Almost surely, 2^450351442 is an apocalyptic number.

450351442 is a deficient number, since it is larger than the sum of its proper divisors (225175724).

450351442 is a wasteful number, since it uses less digits than its factorization.

450351442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225175723.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 450351442 is about 21221.4853862777. The cubic root of 450351442 is about 766.5088718308.

It can be divided in two parts, 4503 and 51442, that added together give a triangular number (55945 = T₃₃₄).

The spelling of 450351442 in words is "four hundred fifty million, three hundred fifty-one thousand, four hundred forty-two".