142010001 has 24 divisors (see below), whose sum is σ = 235884480. Its totient is φ = 80644896.

The previous prime is 142009997. The next prime is 142010017. The reversal of 142010001 is 100010241.

It is a happy number.

142010001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142010001 - 2² = 142009997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (142010041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3355 + ... + 17183.

It is an arithmetic number, because the mean of its divisors is an integer number (9828520).

Almost surely, 2^142010001 is an apocalyptic number.

It is an amenable number.

142010001 is a deficient number, since it is larger than the sum of its proper divisors (93874479).

142010001 is a wasteful number, since it uses less digits than its factorization.

142010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14005 (or 14002 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 142010001 is about 11916.7949130628. The cubic root of 142010001 is about 521.7225922865.

Adding to 142010001 its reverse (100010241), we get a palindrome (242020242).

The spelling of 142010001 in words is "one hundred forty-two million, ten thousand, one".