142103412 has 36 divisors (see below), whose sum is σ = 391862016. Its totient is φ = 43061520.

The previous prime is 142103359. The next prime is 142103443. The reversal of 142103412 is 214301241.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 179028 + ... + 179819.

It is an arithmetic number, because the mean of its divisors is an integer number (10885056).

Almost surely, 2^142103412 is an apocalyptic number.

142103412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142103412 is an abundant number, since it is smaller than the sum of its proper divisors (249758604).

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

142103412 is a wasteful number, since it uses less digits than its factorization.

142103412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358868 (or 358863 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 142103412 is about 11920.7135692458. The cubic root of 142103412 is about 521.8369596951.

Adding to 142103412 its reverse (214301241), we get a palindrome (356404653).

The spelling of 142103412 in words is "one hundred forty-two million, one hundred three thousand, four hundred twelve".