142031412 has 36 divisors (see below), whose sum is σ = 359391396. Its totient is φ = 47295360.

The previous prime is 142031399. The next prime is 142031423. The reversal of 142031412 is 214130241.

142031412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13571856 + 128459556 = 3684^2 + 11334^2 .

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58462 + ... + 60842.

Almost surely, 2^142031412 is an apocalyptic number.

142031412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142031412 is an abundant number, since it is smaller than the sum of its proper divisors (217359984).

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

142031412 is a wasteful number, since it uses less digits than its factorization.

142031412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4048 (or 4043 counting only the distinct ones).

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

The square root of 142031412 is about 11917.6932331723. The cubic root of 142031412 is about 521.7488111936.

Adding to 142031412 its reverse (214130241), we get a palindrome (356161653).

The spelling of 142031412 in words is "one hundred forty-two million, thirty-one thousand, four hundred twelve".