1451444432146 has 8 divisors (see below), whose sum is σ = 2207830967424. Its totient is φ = 715500776340.

The previous prime is 1451444432129. The next prime is 1451444432183. The reversal of 1451444432146 is 6412344441541.

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

It is an unprimeable number.

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, 5110719690 + ... + 5110719973.

It is an arithmetic number, because the mean of its divisors is an integer number (275978870928).

Almost surely, 2^{1451444432146} is an apocalyptic number.

1451444432146 is a deficient number, since it is larger than the sum of its proper divisors (756386535278).

1451444432146 is a wasteful number, since it uses less digits than its factorization.

1451444432146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10221439736.

The product of its digits is 737280, while the sum is 43.

Adding to 1451444432146 its reverse (6412344441541), we get a palindrome (7863788873687).

The spelling of 1451444432146 in words is "one trillion, four hundred fifty-one billion, four hundred forty-four million, four hundred thirty-two thousand, one hundred forty-six".