142055572 has 24 divisors (see below), whose sum is σ = 258156360. Its totient is φ = 68315520.

The previous prime is 142055569. The next prime is 142055581. The reversal of 142055572 is 275550241.

It can be written as a sum of positive squares in 4 ways, for example, as 22240656 + 119814916 = 4716^2 + 10946^2 .

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 7 ways as a sum of consecutive naturals, for example, 29922 + ... + 34342.

It is an arithmetic number, because the mean of its divisors is an integer number (10756515).

Almost surely, 2^142055572 is an apocalyptic number.

It is an amenable number.

142055572 is a deficient number, since it is larger than the sum of its proper divisors (116100788).

142055572 is a wasteful number, since it uses less digits than its factorization.

142055572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4731 (or 4729 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 142055572 is about 11918.7068090460. The cubic root of 142055572 is about 521.7783932333.

The spelling of 142055572 in words is "one hundred forty-two million, fifty-five thousand, five hundred seventy-two".