142249335 has 8 divisors (see below), whose sum is σ = 227598960. Its totient is φ = 75866304.

The previous prime is 142249313. The next prime is 142249339. The reversal of 142249335 is 533942241.

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

It is not a de Polignac number, because 142249335 - 2⁷ = 142249207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142249296 and 142249305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142249339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4741630 + ... + 4741659.

It is an arithmetic number, because the mean of its divisors is an integer number (28449870).

Almost surely, 2^142249335 is an apocalyptic number.

142249335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142249335 is a deficient number, since it is larger than the sum of its proper divisors (85349625).

142249335 is an equidigital number, since it uses as much as digits as its factorization.

142249335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9483297.

The product of its digits is 25920, while the sum is 33.

The square root of 142249335 is about 11926.8325635937. The cubic root of 142249335 is about 522.0155197159.

The spelling of 142249335 in words is "one hundred forty-two million, two hundred forty-nine thousand, three hundred thirty-five".