142253245 has 16 divisors (see below), whose sum is σ = 175139712. Its totient is φ = 110859840.

The previous prime is 142253233. The next prime is 142253249. The reversal of 142253245 is 542352241.

It is not a de Polignac number, because 142253245 - 2⁷ = 142253117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142253249) 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, 115704 + ... + 116926.

It is an arithmetic number, because the mean of its divisors is an integer number (10946232).

Almost surely, 2^142253245 is an apocalyptic number.

It is an amenable number.

142253245 is a deficient number, since it is larger than the sum of its proper divisors (32886467).

142253245 is a wasteful number, since it uses less digits than its factorization.

142253245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812.

The product of its digits is 9600, while the sum is 28.

The square root of 142253245 is about 11926.9964785775. The cubic root of 142253245 is about 522.0203025431.

The spelling of 142253245 in words is "one hundred forty-two million, two hundred fifty-three thousand, two hundred forty-five".