451143202 has 4 divisors (see below), whose sum is σ = 676714806. Its totient is φ = 225571600.

The previous prime is 451143113. The next prime is 451143241. The reversal of 451143202 is 202341154.

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., 391683681 + 59459521 = 19791^2 + 7711^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112785799 + ... + 112785802.

Almost surely, 2^451143202 is an apocalyptic number.

451143202 is a deficient number, since it is larger than the sum of its proper divisors (225571604).

451143202 is a wasteful number, since it uses less digits than its factorization.

451143202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225571603.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 451143202 is about 21240.1318734136. The cubic root of 451143202 is about 766.9578069643.

Adding to 451143202 its reverse (202341154), we get a palindrome (653484356).

The spelling of 451143202 in words is "four hundred fifty-one million, one hundred forty-three thousand, two hundred two".