142144102 has 4 divisors (see below), whose sum is σ = 213216156. Its totient is φ = 71072050.

The previous prime is 142144069. The next prime is 142144103. The reversal of 142144102 is 201441241.

142144102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 142144102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142144103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35536024 + ... + 35536027.

It is an arithmetic number, because the mean of its divisors is an integer number (53304039).

Almost surely, 2^142144102 is an apocalyptic number.

142144102 is a deficient number, since it is larger than the sum of its proper divisors (71072054).

142144102 is an equidigital number, since it uses as much as digits as its factorization.

142144102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71072053.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 142144102 is about 11922.4201402232. The cubic root of 142144102 is about 521.8867626737.

Adding to 142144102 its reverse (201441241), we get a palindrome (343585343).

The spelling of 142144102 in words is "one hundred forty-two million, one hundred forty-four thousand, one hundred two".