142148812 has 24 divisors (see below), whose sum is σ = 271572896. Its totient is φ = 64706688.

The previous prime is 142148803. The next prime is 142148813. The reversal of 142148812 is 218841241.

It is a super-2 number, since 2×142148812² = 40412569506022688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142148813) by changing a digit.

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, 14928 + ... + 22519.

Almost surely, 2^142148812 is an apocalyptic number.

It is an amenable number.

142148812 is a deficient number, since it is larger than the sum of its proper divisors (129424084).

142148812 is a wasteful number, since it uses less digits than its factorization.

142148812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37537 (or 37535 counting only the distinct ones).

The product of its digits is 4096, while the sum is 31.

The square root of 142148812 is about 11922.6176655968. The cubic root of 142148812 is about 521.8925269168.

The spelling of 142148812 in words is "one hundred forty-two million, one hundred forty-eight thousand, eight hundred twelve".