32540142 has 64 divisors (see below), whose sum is σ = 73156608. Its totient is φ = 9600000.

The previous prime is 32540129. The next prime is 32540153. The reversal of 32540142 is 24104523.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129517 + ... + 129767.

It is an arithmetic number, because the mean of its divisors is an integer number (1143072).

Almost surely, 2^32540142 is an apocalyptic number.

32540142 is an abundant number, since it is smaller than the sum of its proper divisors (40616466).

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

32540142 is a wasteful number, since it uses less digits than its factorization.

32540142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345.

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

The square root of 32540142 is about 5704.3967253339. The cubic root of 32540142 is about 319.2565488283.

Adding to 32540142 its reverse (24104523), we get a palindrome (56644665).

The spelling of 32540142 in words is "thirty-two million, five hundred forty thousand, one hundred forty-two".