445301242 has 4 divisors (see below), whose sum is σ = 667951866. Its totient is φ = 222650620.

The previous prime is 445301237. The next prime is 445301273. The reversal of 445301242 is 242103544.

It is a happy number.

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., 441882441 + 3418801 = 21021^2 + 1849^2 .

It is a super-2 number, since 2×445301242² = 396586392253485128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111325309 + ... + 111325312.

Almost surely, 2^445301242 is an apocalyptic number.

445301242 is a deficient number, since it is larger than the sum of its proper divisors (222650624).

445301242 is a wasteful number, since it uses less digits than its factorization.

445301242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222650623.

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

The square root of 445301242 is about 21102.1620219351. The cubic root of 445301242 is about 763.6329077620.

Adding to 445301242 its reverse (242103544), we get a palindrome (687404786).

The spelling of 445301242 in words is "four hundred forty-five million, three hundred one thousand, two hundred forty-two".