32145869 has 8 divisors (see below), whose sum is σ = 36926208. Its totient is φ = 27412560.

The previous prime is 32145847. The next prime is 32145871. The reversal of 32145869 is 96854123.

It is a happy number.

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

It is not a de Polignac number, because 32145869 - 2¹⁶ = 32080333 is a prime.

It is a super-2 number, since 2×32145869² = 2066713787530322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32145809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10277 + ... + 13034.

It is an arithmetic number, because the mean of its divisors is an integer number (4615776).

Almost surely, 2^32145869 is an apocalyptic number.

It is an amenable number.

32145869 is a deficient number, since it is larger than the sum of its proper divisors (4780339).

32145869 is a wasteful number, since it uses less digits than its factorization.

32145869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23515.

The product of its digits is 51840, while the sum is 38.

The square root of 32145869 is about 5669.7327097492. The cubic root of 32145869 is about 317.9618805091.

The spelling of 32145869 in words is "thirty-two million, one hundred forty-five thousand, eight hundred sixty-nine".