450713642 has 4 divisors (see below), whose sum is σ = 676070466. Its totient is φ = 225356820.

The previous prime is 450713633. The next prime is 450713647. The reversal of 450713642 is 246317054.

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., 410022001 + 40691641 = 20249^2 + 6379^2 .

It is a junction number, because it is equal to n+sod(n) for n = 450713599 and 450713608.

It is not an unprimeable number, because it can be changed into a prime (450713647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112678409 + ... + 112678412.

Almost surely, 2^450713642 is an apocalyptic number.

450713642 is a deficient number, since it is larger than the sum of its proper divisors (225356824).

450713642 is a wasteful number, since it uses less digits than its factorization.

450713642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225356823.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 450713642 is about 21230.0174752637. The cubic root of 450713642 is about 766.7143077725.

The spelling of 450713642 in words is "four hundred fifty million, seven hundred thirteen thousand, six hundred forty-two".