142546812 has 24 divisors (see below), whose sum is σ = 333379200. Its totient is φ = 47405616.

The previous prime is 142546793. The next prime is 142546823. The reversal of 142546812 is 218645241.

It is a happy number.

It is a super-2 number, since 2×142546812² = 40639187222726688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8262 + ... + 18797.

It is an arithmetic number, because the mean of its divisors is an integer number (13890800).

Almost surely, 2^142546812 is an apocalyptic number.

142546812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142546812 is an abundant number, since it is smaller than the sum of its proper divisors (190832388).

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

142546812 is a wasteful number, since it uses less digits than its factorization.

142546812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27505 (or 27503 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 142546812 is about 11939.2969642270. The cubic root of 142546812 is about 522.3791523207.

The spelling of 142546812 in words is "one hundred forty-two million, five hundred forty-six thousand, eight hundred twelve".