142001652 has 48 divisors (see below), whose sum is σ = 365140160. Its totient is φ = 42674688.

The previous prime is 142001647. The next prime is 142001653. The reversal of 142001652 is 256100241.

142001652 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142001653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3877 + ... + 17292.

Almost surely, 2^142001652 is an apocalyptic number.

142001652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142001652 is an abundant number, since it is smaller than the sum of its proper divisors (223138508).

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

142001652 is a wasteful number, since it uses less digits than its factorization.

142001652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21232 (or 21230 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 142001652 is about 11916.4446039916. Note that the first 3 decimals coincide. The cubic root of 142001652 is about 521.7123677782.

Adding to 142001652 its reverse (256100241), we get a palindrome (398101893).

The spelling of 142001652 in words is "one hundred forty-two million, one thousand, six hundred fifty-two".