142655513 has 24 divisors (see below), whose sum is σ = 194967360. Its totient is φ = 102604320.

The previous prime is 142655507. The next prime is 142655537. The reversal of 142655513 is 315556241.

It is not a de Polignac number, because 142655513 - 2¹⁶ = 142589977 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 142655513.

It is not an unprimeable number, because it can be changed into a prime (142655563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3173 + ... + 17186.

It is an arithmetic number, because the mean of its divisors is an integer number (8123640).

Almost surely, 2^142655513 is an apocalyptic number.

142655513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142655513 is a deficient number, since it is larger than the sum of its proper divisors (52311847).

142655513 is a wasteful number, since it uses less digits than its factorization.

142655513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20397 (or 20390 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 142655513 is about 11943.8483329285. The cubic root of 142655513 is about 522.5119010132.

The spelling of 142655513 in words is "one hundred forty-two million, six hundred fifty-five thousand, five hundred thirteen".