32145641 has 4 divisors (see below), whose sum is σ = 35067984. Its totient is φ = 29223300.

The previous prime is 32145629. The next prime is 32145647. The reversal of 32145641 is 14654123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14654123 = 11 ⋅1332193.

It is a cyclic number.

It is not a de Polignac number, because 32145641 - 2⁶ = 32145577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32145641.

It is not an unprimeable number, because it can be changed into a prime (32145647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1461155 + ... + 1461176.

It is an arithmetic number, because the mean of its divisors is an integer number (8766996).

Almost surely, 2^32145641 is an apocalyptic number.

It is an amenable number.

32145641 is a deficient number, since it is larger than the sum of its proper divisors (2922343).

32145641 is a wasteful number, since it uses less digits than its factorization.

32145641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922342.

The product of its digits is 2880, while the sum is 26.

The square root of 32145641 is about 5669.7126029456. The cubic root of 32145641 is about 317.9611287745.

Adding to 32145641 its reverse (14654123), we get a palindrome (46799764).

The spelling of 32145641 in words is "thirty-two million, one hundred forty-five thousand, six hundred forty-one".