1451886842 has 16 divisors (see below), whose sum is σ = 2499636672. Its totient is φ = 619565280.

The previous prime is 1451886833. The next prime is 1451886869. The reversal of 1451886842 is 2486881541.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219284 + ... + 225807.

It is an arithmetic number, because the mean of its divisors is an integer number (156227292).

Almost surely, 2^1451886842 is an apocalyptic number.

1451886842 is a deficient number, since it is larger than the sum of its proper divisors (1047749830).

1451886842 is a wasteful number, since it uses less digits than its factorization.

1451886842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445333.

The product of its digits is 491520, while the sum is 47.

The square root of 1451886842 is about 38103.6329239090. The cubic root of 1451886842 is about 1132.3419312967.

The spelling of 1451886842 in words is "one billion, four hundred fifty-one million, eight hundred eighty-six thousand, eight hundred forty-two".