1432144985 has 8 divisors (see below), whose sum is σ = 1725951240. Its totient is φ = 1140797824.

The previous prime is 1432144963. The next prime is 1432145003. The reversal of 1432144985 is 5894412341.

It can be written as a sum of positive squares in 4 ways, for example, as 188595289 + 1243549696 = 13733^2 + 35264^2 .

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

It is not a de Polignac number, because 1432144985 - 2⁶ = 1432144921 is a prime.

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, 613490 + ... + 615819.

It is an arithmetic number, because the mean of its divisors is an integer number (215743905).

Almost surely, 2^1432144985 is an apocalyptic number.

It is an amenable number.

1432144985 is a deficient number, since it is larger than the sum of its proper divisors (293806255).

1432144985 is a wasteful number, since it uses less digits than its factorization.

1432144985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229547.

The product of its digits is 138240, while the sum is 41.

The square root of 1432144985 is about 37843.6914822008. The cubic root of 1432144985 is about 1127.1861975636.

The spelling of 1432144985 in words is "one billion, four hundred thirty-two million, one hundred forty-four thousand, nine hundred eighty-five".