142213001 has 4 divisors (see below), whose sum is σ = 162529152. Its totient is φ = 121896852.

The previous prime is 142212991. The next prime is 142213031. The reversal of 142213001 is 100312241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100312241 = 47 ⋅2134303.

It is not a de Polignac number, because 142213001 - 2¹⁴ = 142196617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142213031) 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 3 ways as a sum of consecutive naturals, for example, 10158065 + ... + 10158078.

It is an arithmetic number, because the mean of its divisors is an integer number (40632288).

Almost surely, 2^142213001 is an apocalyptic number.

It is an amenable number.

142213001 is a deficient number, since it is larger than the sum of its proper divisors (20316151).

142213001 is an equidigital number, since it uses as much as digits as its factorization.

142213001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20316150.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 142213001 is about 11925.3092622372. The cubic root of 142213001 is about 521.9710707044.

Adding to 142213001 its reverse (100312241), we get a palindrome (242525242).

The spelling of 142213001 in words is "one hundred forty-two million, two hundred thirteen thousand, one".