142213025 has 24 divisors (see below), whose sum is σ = 185238144. Its totient is φ = 108099200.

The previous prime is 142212991. The next prime is 142213031. The reversal of 142213025 is 520312241.

It is not a de Polignac number, because 142213025 - 2¹² = 142208929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142212988 and 142213006.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 95285 + ... + 96765.

It is an arithmetic number, because the mean of its divisors is an integer number (7718256).

Almost surely, 2^142213025 is an apocalyptic number.

It is an amenable number.

142213025 is a deficient number, since it is larger than the sum of its proper divisors (43025119).

142213025 is a wasteful number, since it uses less digits than its factorization.

142213025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681 (or 1676 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 142213025 is about 11925.3102685004. The cubic root of 142213025 is about 521.9711000671.

Adding to 142213025 its reverse (520312241), we get a palindrome (662525266).

The spelling of 142213025 in words is "one hundred forty-two million, two hundred thirteen thousand, twenty-five".