142526513 has 8 divisors (see below), whose sum is σ = 145784448. Its totient is φ = 139278064.

The previous prime is 142526509. The next prime is 142526533. The reversal of 142526513 is 315625241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142526513 - 2² = 142526509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142526533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34370 + ... + 38292.

It is an arithmetic number, because the mean of its divisors is an integer number (18223056).

Almost surely, 2^142526513 is an apocalyptic number.

It is an amenable number.

142526513 is a deficient number, since it is larger than the sum of its proper divisors (3257935).

142526513 is an equidigital number, since it uses as much as digits as its factorization.

142526513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4743.

The product of its digits is 7200, while the sum is 29.

The square root of 142526513 is about 11938.4468420310. The cubic root of 142526513 is about 522.3543551385.

The spelling of 142526513 in words is "one hundred forty-two million, five hundred twenty-six thousand, five hundred thirteen".