142333401 has 16 divisors (see below), whose sum is σ = 229647744. Its totient is φ = 76548864.

The previous prime is 142333381. The next prime is 142333417. The reversal of 142333401 is 104333241.

It is not a de Polignac number, because 142333401 - 2⁶ = 142333337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (142333481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198990 + ... + 199703.

It is an arithmetic number, because the mean of its divisors is an integer number (14352984).

Almost surely, 2^142333401 is an apocalyptic number.

It is an amenable number.

142333401 is a deficient number, since it is larger than the sum of its proper divisors (87314343).

142333401 is a wasteful number, since it uses less digits than its factorization.

142333401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398720.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 142333401 is about 11930.3562813522. The cubic root of 142333401 is about 522.1183324163.

Adding to 142333401 its reverse (104333241), we get a palindrome (246666642).

The spelling of 142333401 in words is "one hundred forty-two million, three hundred thirty-three thousand, four hundred one".