142795305 has 48 divisors (see below), whose sum is σ = 258358464. Its totient is φ = 75660480.

The previous prime is 142795277. The next prime is 142795309. The reversal of 142795305 is 503597241.

It is not a de Polignac number, because 142795305 - 2⁹ = 142794793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142795305.

It is not an unprimeable number, because it can be changed into a prime (142795309) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 256087 + ... + 256643.

It is an arithmetic number, because the mean of its divisors is an integer number (5382468).

Almost surely, 2^142795305 is an apocalyptic number.

142795305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142795305 is a deficient number, since it is larger than the sum of its proper divisors (115563159).

142795305 is an equidigital number, since it uses as much as digits as its factorization.

142795305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 142795305 is about 11949.6989501828. The cubic root of 142795305 is about 522.6825198142.

The spelling of 142795305 in words is "one hundred forty-two million, seven hundred ninety-five thousand, three hundred five".