142345502 has 16 divisors (see below), whose sum is σ = 231118272. Its totient is φ = 65362080.

The previous prime is 142345501. The next prime is 142345519. The reversal of 142345502 is 205543241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142345501) 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, 8774 + ... + 19017.

It is an arithmetic number, because the mean of its divisors is an integer number (14444892).

Almost surely, 2^142345502 is an apocalyptic number.

142345502 is a deficient number, since it is larger than the sum of its proper divisors (88772770).

142345502 is a wasteful number, since it uses less digits than its factorization.

142345502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28003.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 142345502 is about 11930.8634222339. The cubic root of 142345502 is about 522.1331286034.

Adding to 142345502 its reverse (205543241), we get a palindrome (347888743).

The spelling of 142345502 in words is "one hundred forty-two million, three hundred forty-five thousand, five hundred two".