451031442 has 16 divisors (see below), whose sum is σ = 903003552. Its totient is φ = 150187040.

The previous prime is 451031423. The next prime is 451031467. The reversal of 451031442 is 244130154.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32883 + ... + 44534.

It is an arithmetic number, because the mean of its divisors is an integer number (56437722).

Almost surely, 2^451031442 is an apocalyptic number.

451031442 is an abundant number, since it is smaller than the sum of its proper divisors (451972110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451031442 is a wasteful number, since it uses less digits than its factorization.

451031442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78393.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 451031442 is about 21237.5008416716. The cubic root of 451031442 is about 766.8944698812.

Adding to 451031442 its reverse (244130154), we get a palindrome (695161596).

The spelling of 451031442 in words is "four hundred fifty-one million, thirty-one thousand, four hundred forty-two".