142500542 has 16 divisors (see below), whose sum is σ = 222182352. Its totient is φ = 68486400.

The previous prime is 142500509. The next prime is 142500557. The reversal of 142500542 is 245005241.

It is a happy number.

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, 5459 + ... + 17742.

It is an arithmetic number, because the mean of its divisors is an integer number (13886397).

Almost surely, 2^142500542 is an apocalyptic number.

142500542 is a deficient number, since it is larger than the sum of its proper divisors (79681810).

142500542 is a wasteful number, since it uses less digits than its factorization.

142500542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23323.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 142500542 is about 11937.3590881736. The cubic root of 142500542 is about 522.3226256290.

Adding to 142500542 its reverse (245005241), we get a palindrome (387505783).

The spelling of 142500542 in words is "one hundred forty-two million, five hundred thousand, five hundred forty-two".