142837025 has 6 divisors (see below), whose sum is σ = 177117942. Its totient is φ = 114269600.

The previous prime is 142837007. The next prime is 142837031. The reversal of 142837025 is 520738241.

It can be written as a sum of positive squares in 3 ways, for example, as 583696 + 142253329 = 764^2 + 11927^2 .

It is not a de Polignac number, because 142837025 - 2⁸ = 142836769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142836982 and 142837000.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2856716 + ... + 2856765.

It is an arithmetic number, because the mean of its divisors is an integer number (29519657).

Almost surely, 2^142837025 is an apocalyptic number.

It is an amenable number.

142837025 is a deficient number, since it is larger than the sum of its proper divisors (34280917).

142837025 is an equidigital number, since it uses as much as digits as its factorization.

142837025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5713491 (or 5713486 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 142837025 is about 11951.4444733681. Note that the first 4 decimals coincide. The cubic root of 142837025 is about 522.7334182929.

The spelling of 142837025 in words is "one hundred forty-two million, eight hundred thirty-seven thousand, twenty-five".