32545140 has 48 divisors (see below), whose sum is σ = 96489792. Its totient is φ = 8167936.

The previous prime is 32545061. The next prime is 32545141. The reversal of 32545140 is 4154523.

It is a super-2 number, since 2×32545140² = 2118372275239200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32545140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32545141) 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 15 ways as a sum of consecutive naturals, for example, 14934 + ... + 16973.

It is an arithmetic number, because the mean of its divisors is an integer number (2010204).

Almost surely, 2^32545140 is an apocalyptic number.

32545140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32545140 is an abundant number, since it is smaller than the sum of its proper divisors (63944652).

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

32545140 is a wasteful number, since it uses less digits than its factorization.

32545140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31936 (or 31934 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 32545140 is about 5704.8347916482. The cubic root of 32545140 is about 319.2728933846.

Adding to 32545140 its reverse (4154523), we get a palindrome (36699663).

The spelling of 32545140 in words is "thirty-two million, five hundred forty-five thousand, one hundred forty".