142001024 has 32 divisors (see below), whose sum is σ = 308613240. Its totient is φ = 64545280.

The previous prime is 142001021. The next prime is 142001029. The reversal of 142001024 is 420100241.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142001021) 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 3 ways as a sum of consecutive naturals, for example, 49019 + ... + 51834.

Almost surely, 2^142001024 is an apocalyptic number.

It is an amenable number.

142001024 is an abundant number, since it is smaller than the sum of its proper divisors (166612216).

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

142001024 is a wasteful number, since it uses less digits than its factorization.

142001024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100878 (or 100866 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 142001024 is about 11916.4182538211. The cubic root of 142001024 is about 521.7115986889.

Adding to 142001024 its reverse (420100241), we get a palindrome (562101265).

The spelling of 142001024 in words is "one hundred forty-two million, one thousand, twenty-four".