142525432 has 32 divisors (see below), whose sum is σ = 311915520. Its totient is φ = 59781600.

The previous prime is 142525423. The next prime is 142525447. The reversal of 142525432 is 234525241.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 142525432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24444 + ... + 29707.

It is an arithmetic number, because the mean of its divisors is an integer number (9747360).

Almost surely, 2^142525432 is an apocalyptic number.

It is an amenable number.

142525432 is an abundant number, since it is smaller than the sum of its proper divisors (169390088).

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

142525432 is a wasteful number, since it uses less digits than its factorization.

142525432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54211 (or 54207 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 142525432 is about 11938.4015680492. The cubic root of 142525432 is about 522.3530345270.

The spelling of 142525432 in words is "one hundred forty-two million, five hundred twenty-five thousand, four hundred thirty-two".