142522353 has 24 divisors (see below), whose sum is σ = 212675112. Its totient is φ = 91922688.

The previous prime is 142522351. The next prime is 142522361. The reversal of 142522353 is 353225241.

It is a happy number.

142522353 is a `hidden beast` number, since 1 + 425 + 2 + 235 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 32524209 + 109998144 = 5703^2 + 10488^2 .

It is not a de Polignac number, because 142522353 - 2¹ = 142522351 is a prime.

It is a super-2 number, since 2×142522353² = 40625242209313218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142522351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32775 + ... + 36867.

It is an arithmetic number, because the mean of its divisors is an integer number (8861463).

Almost surely, 2^142522353 is an apocalyptic number.

It is an amenable number.

142522353 is a deficient number, since it is larger than the sum of its proper divisors (70152759).

142522353 is a wasteful number, since it uses less digits than its factorization.

142522353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4225 (or 4222 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 142522353 is about 11938.2726137411. The cubic root of 142522353 is about 522.3492730075.

Adding to 142522353 its reverse (353225241), we get a palindrome (495747594).

The spelling of 142522353 in words is "one hundred forty-two million, five hundred twenty-two thousand, three hundred fifty-three".