142118025 has 24 divisors (see below), whose sum is σ = 268536384. Its totient is φ = 64968000.

The previous prime is 142118023. The next prime is 142118027. The reversal of 142118025 is 520811241.

It is an interprime number because it is at equal distance from previous prime (142118023) and next prime (142118027).

It is not a de Polignac number, because 142118025 - 2¹ = 142118023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142117986 and 142118004.

It is not an unprimeable number, because it can be changed into a prime (142118021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134826 + ... + 135875.

It is an arithmetic number, because the mean of its divisors is an integer number (11189016).

Almost surely, 2^142118025 is an apocalyptic number.

142118025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142118025 is a deficient number, since it is larger than the sum of its proper divisors (126418359).

142118025 is a wasteful number, since it uses less digits than its factorization.

142118025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270721 (or 270716 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 142118025 is about 11921.3264782070. The cubic root of 142118025 is about 521.8548465331.

Adding to 142118025 its reverse (520811241), we get a palindrome (662929266).

The spelling of 142118025 in words is "one hundred forty-two million, one hundred eighteen thousand, twenty-five".