32145240 has 32 divisors (see below), whose sum is σ = 96436080. Its totient is φ = 8572032.

The previous prime is 32145229. The next prime is 32145241. The reversal of 32145240 is 4254123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32145241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133819 + ... + 134058.

Almost surely, 2^32145240 is an apocalyptic number.

32145240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32145240 is an abundant number, since it is smaller than the sum of its proper divisors (64290840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32145240 is a wasteful number, since it uses less digits than its factorization.

32145240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267891 (or 267887 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 32145240 is about 5669.6772394908. The cubic root of 32145240 is about 317.9598066363.

Adding to 32145240 its reverse (4254123), we get a palindrome (36399363).

It can be divided in two parts, 32145 and 240, that added together give a triangular number (32385 = T₂₅₄).

The spelling of 32145240 in words is "thirty-two million, one hundred forty-five thousand, two hundred forty".