142149016 has 32 divisors (see below), whose sum is σ = 280908000. Its totient is φ = 67302400.

The previous prime is 142149001. The next prime is 142149023. The reversal of 142149016 is 610941241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14760 + ... + 22408.

It is an arithmetic number, because the mean of its divisors is an integer number (8778375).

Almost surely, 2^142149016 is an apocalyptic number.

It is an amenable number.

142149016 is a deficient number, since it is larger than the sum of its proper divisors (138758984).

142149016 is a wasteful number, since it uses less digits than its factorization.

142149016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7779 (or 7775 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 142149016 is about 11922.6262207619. The cubic root of 142149016 is about 521.8927765754.

The spelling of 142149016 in words is "one hundred forty-two million, one hundred forty-nine thousand, sixteen".