1451112142 has 8 divisors (see below), whose sum is σ = 2227288536. Its totient is φ = 708682632.

The previous prime is 1451112127. The next prime is 1451112149. The reversal of 1451112142 is 2412111541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451112149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8436613 + ... + 8436784.

It is an arithmetic number, because the mean of its divisors is an integer number (278411067).

Almost surely, 2^1451112142 is an apocalyptic number.

1451112142 is a deficient number, since it is larger than the sum of its proper divisors (776176394).

1451112142 is a wasteful number, since it uses less digits than its factorization.

1451112142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16873442.

The product of its digits is 320, while the sum is 22.

The square root of 1451112142 is about 38093.4658701463. The cubic root of 1451112142 is about 1132.1404965524.

Adding to 1451112142 its reverse (2412111541), we get a palindrome (3863223683).

The spelling of 1451112142 in words is "one billion, four hundred fifty-one million, one hundred twelve thousand, one hundred forty-two".