32144661 has 16 divisors (see below), whose sum is σ = 47913600. Its totient is φ = 21298464.

The previous prime is 32144653. The next prime is 32144677. The reversal of 32144661 is 16644123.

It is not a de Polignac number, because 32144661 - 2³ = 32144653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32144261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 945 + ... + 8073.

It is an arithmetic number, because the mean of its divisors is an integer number (2994600).

Almost surely, 2^32144661 is an apocalyptic number.

It is an amenable number.

32144661 is a deficient number, since it is larger than the sum of its proper divisors (15768939).

32144661 is a wasteful number, since it uses less digits than its factorization.

32144661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7305 (or 7299 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 32144661 is about 5669.6261781532. The cubic root of 32144661 is about 317.9578975944.

Adding to 32144661 its reverse (16644123), we get a palindrome (48788784).

It can be divided in two parts, 3214 and 4661, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 32144661 in words is "thirty-two million, one hundred forty-four thousand, six hundred sixty-one".