142351001 has 4 divisors (see below), whose sum is σ = 153301092. Its totient is φ = 131400912.

The previous prime is 142350991. The next prime is 142351007. The reversal of 142351001 is 100153241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36240400 + 106110601 = 6020^2 + 10301^2 .

It is a cyclic number.

It is not a de Polignac number, because 142351001 - 2¹⁴ = 142334617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142351007) 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 3 ways as a sum of consecutive naturals, for example, 5475026 + ... + 5475051.

It is an arithmetic number, because the mean of its divisors is an integer number (38325273).

Almost surely, 2^142351001 is an apocalyptic number.

It is an amenable number.

142351001 is a deficient number, since it is larger than the sum of its proper divisors (10950091).

142351001 is a wasteful number, since it uses less digits than its factorization.

142351001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10950090.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 142351001 is about 11931.0938727344. The cubic root of 142351001 is about 522.1398520873.

The spelling of 142351001 in words is "one hundred forty-two million, three hundred fifty-one thousand, one".