142033212 has 18 divisors (see below), whose sum is σ = 359028488. Its totient is φ = 47344392.

The previous prime is 142033187. The next prime is 142033247. The reversal of 142033212 is 212330241.

142033212 is a `hidden beast` number, since 1 + 420 + 33 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×142033212² = 40346866622073888, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 1972648 + ... + 1972719.

Almost surely, 2^142033212 is an apocalyptic number.

142033212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142033212 is an abundant number, since it is smaller than the sum of its proper divisors (216995276).

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

142033212 is a wasteful number, since it uses less digits than its factorization.

142033212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945377 (or 3945372 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 142033212 is about 11917.7687509030. The cubic root of 142033212 is about 521.7510152691.

Adding to 142033212 its reverse (212330241), we get a palindrome (354363453).

The spelling of 142033212 in words is "one hundred forty-two million, thirty-three thousand, two hundred twelve".