142253235 has 12 divisors (see below), whose sum is σ = 246572352. Its totient is φ = 75868368.

The previous prime is 142253233. The next prime is 142253249. The reversal of 142253235 is 532352241.

It is a happy number.

142253235 is a `hidden beast` number, since 1 + 422 + 5 + 3 + 235 = 666.

It is not a de Polignac number, because 142253235 - 2¹ = 142253233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142253199 and 142253208.

It is not an unprimeable number, because it can be changed into a prime (142253233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1580547 + ... + 1580636.

It is an arithmetic number, because the mean of its divisors is an integer number (20547696).

Almost surely, 2^142253235 is an apocalyptic number.

142253235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142253235 is a deficient number, since it is larger than the sum of its proper divisors (104319117).

142253235 is a wasteful number, since it uses less digits than its factorization.

142253235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161194 (or 3161191 counting only the distinct ones).

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

The square root of 142253235 is about 11926.9960593605. The cubic root of 142253235 is about 522.0202903110.

The spelling of 142253235 in words is "one hundred forty-two million, two hundred fifty-three thousand, two hundred thirty-five".