142213253 has 16 divisors (see below), whose sum is σ = 175445760. Its totient is φ = 112254336.

The previous prime is 142213243. The next prime is 142213259. The reversal of 142213253 is 352312241.

It is a cyclic number.

It is not a de Polignac number, because 142213253 - 2¹² = 142209157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142213259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42713 + ... + 45921.

It is an arithmetic number, because the mean of its divisors is an integer number (10965360).

Almost surely, 2^142213253 is an apocalyptic number.

142213253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142213253 is a deficient number, since it is larger than the sum of its proper divisors (33232507).

142213253 is a wasteful number, since it uses less digits than its factorization.

142213253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716.

The product of its digits is 1440, while the sum is 23.

The square root of 142213253 is about 11925.3198279962. The cubic root of 142213253 is about 521.9713790133.

Adding to 142213253 its reverse (352312241), we get a palindrome (494525494).

The spelling of 142213253 in words is "one hundred forty-two million, two hundred thirteen thousand, two hundred fifty-three".