451241402 has 4 divisors (see below), whose sum is σ = 676862106. Its totient is φ = 225620700.

The previous prime is 451241383. The next prime is 451241429. The reversal of 451241402 is 204142154.

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., 344139601 + 107101801 = 18551^2 + 10349^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112810349 + ... + 112810352.

Almost surely, 2^451241402 is an apocalyptic number.

451241402 is a deficient number, since it is larger than the sum of its proper divisors (225620704).

451241402 is a wasteful number, since it uses less digits than its factorization.

451241402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225620703.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 451241402 is about 21242.4434093632. The cubic root of 451241402 is about 767.0134506361.

Adding to 451241402 its reverse (204142154), we get a palindrome (655383556).

The spelling of 451241402 in words is "four hundred fifty-one million, two hundred forty-one thousand, four hundred two".