142755225 has 24 divisors (see below), whose sum is σ = 239553120. Its totient is φ = 74997120.

The previous prime is 142755211. The next prime is 142755241. The reversal of 142755225 is 522557241.

It is not a de Polignac number, because 142755225 - 2⁷ = 142755097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9180 + ... + 19229.

It is an arithmetic number, because the mean of its divisors is an integer number (9981380).

Almost surely, 2^142755225 is an apocalyptic number.

142755225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142755225 is a deficient number, since it is larger than the sum of its proper divisors (96797895).

142755225 is a wasteful number, since it uses less digits than its factorization.

142755225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28489 (or 28484 counting only the distinct ones).

The product of its digits is 28000, while the sum is 33.

The square root of 142755225 is about 11948.0218027923. The cubic root of 142755225 is about 522.6336128007.

The spelling of 142755225 in words is "one hundred forty-two million, seven hundred fifty-five thousand, two hundred twenty-five".