142551213 has 8 divisors (see below), whose sum is σ = 217220928. Its totient is φ = 81457824.

The previous prime is 142551193. The next prime is 142551221. The reversal of 142551213 is 312155241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142551213 - 2⁸ = 142550957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142501213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3394056 + ... + 3394097.

It is an arithmetic number, because the mean of its divisors is an integer number (27152616).

Almost surely, 2^142551213 is an apocalyptic number.

It is an amenable number.

142551213 is a deficient number, since it is larger than the sum of its proper divisors (74669715).

142551213 is an equidigital number, since it uses as much as digits as its factorization.

142551213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6788163.

The product of its digits is 1200, while the sum is 24.

The square root of 142551213 is about 11939.4812701390. The cubic root of 142551213 is about 522.3845282552.

The spelling of 142551213 in words is "one hundred forty-two million, five hundred fifty-one thousand, two hundred thirteen".