142061652 has 18 divisors (see below), whose sum is σ = 359100378. Its totient is φ = 47353872.

The previous prime is 142061629. The next prime is 142061657. The reversal of 142061652 is 256160241.

142061652 is a `hidden beast` number, since 1 + 4 + 2 + 0 + 6 + 1 + 652 = 666.

It can be written as a sum of positive squares in only one way, i.e., 126427536 + 15634116 = 11244^2 + 3954^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142061657) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1973043 + ... + 1973114.

It is an arithmetic number, because the mean of its divisors is an integer number (19950021).

Almost surely, 2^142061652 is an apocalyptic number.

142061652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142061652 is an abundant number, since it is smaller than the sum of its proper divisors (217038726).

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

142061652 is a wasteful number, since it uses less digits than its factorization.

142061652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3946167 (or 3946162 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 142061652 is about 11918.9618675453. The cubic root of 142061652 is about 521.7858371918.

The spelling of 142061652 in words is "one hundred forty-two million, sixty-one thousand, six hundred fifty-two".