450142232 has 32 divisors (see below), whose sum is σ = 865159680. Its totient is φ = 219451680.

The previous prime is 450142193. The next prime is 450142271. The reversal of 450142232 is 232241054.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (450142193) and next prime (450142271).

It is a junction number, because it is equal to n+sod(n) for n = 450142198 and 450142207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365057 + ... + 366287.

It is an arithmetic number, because the mean of its divisors is an integer number (27036240).

Almost surely, 2^450142232 is an apocalyptic number.

It is an amenable number.

450142232 is a deficient number, since it is larger than the sum of its proper divisors (415017448).

450142232 is a wasteful number, since it uses less digits than its factorization.

450142232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343 (or 2339 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 450142232 is about 21216.5556111259. Note that the first 3 decimals coincide. The cubic root of 450142232 is about 766.3901599802.

Adding to 450142232 its reverse (232241054), we get a palindrome (682383286).

The spelling of 450142232 in words is "four hundred fifty million, one hundred forty-two thousand, two hundred thirty-two".