142404102 has 32 divisors (see below), whose sum is σ = 318780000. Its totient is φ = 47119104.

The previous prime is 142404091. The next prime is 142404133. The reversal of 142404102 is 201404241.

142404102 is a `hidden beast` number, since 14 + 240 + 410 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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, 2227 + ... + 17022.

It is an arithmetic number, because the mean of its divisors is an integer number (9961875).

Almost surely, 2^142404102 is an apocalyptic number.

142404102 is an abundant number, since it is smaller than the sum of its proper divisors (176375898).

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

142404102 is a wasteful number, since it uses less digits than its factorization.

142404102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19397 (or 19391 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 142404102 is about 11933.3189850938. The cubic root of 142404102 is about 522.2047683887.

Adding to 142404102 its reverse (201404241), we get a palindrome (343808343).

The spelling of 142404102 in words is "one hundred forty-two million, four hundred four thousand, one hundred two".