142471012 has 12 divisors (see below), whose sum is σ = 249556860. Its totient is φ = 71169056.

The previous prime is 142471003. The next prime is 142471057. The reversal of 142471012 is 210174241.

It can be written as a sum of positive squares in 2 ways, for example, as 2143296 + 140327716 = 1464^2 + 11846^2 .

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 3 ways as a sum of consecutive naturals, for example, 11623 + ... + 20494.

It is an arithmetic number, because the mean of its divisors is an integer number (20796405).

Almost surely, 2^142471012 is an apocalyptic number.

It is an amenable number.

142471012 is a deficient number, since it is larger than the sum of its proper divisors (107085848).

142471012 is a wasteful number, since it uses less digits than its factorization.

142471012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33230 (or 33228 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 142471012 is about 11936.1221508495. The cubic root of 142471012 is about 522.2865433038.

The spelling of 142471012 in words is "one hundred forty-two million, four hundred seventy-one thousand, twelve".