142492785 has 8 divisors (see below), whose sum is σ = 227988480. Its totient is φ = 75996144.

The previous prime is 142492783. The next prime is 142492787. The reversal of 142492785 is 587294241.

It is an interprime number because it is at equal distance from previous prime (142492783) and next prime (142492787).

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

It is not a de Polignac number, because 142492785 - 2¹ = 142492783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142492783) 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, 4749745 + ... + 4749774.

It is an arithmetic number, because the mean of its divisors is an integer number (28498560).

Almost surely, 2^142492785 is an apocalyptic number.

142492785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142492785 is a deficient number, since it is larger than the sum of its proper divisors (85495695).

142492785 is an equidigital number, since it uses as much as digits as its factorization.

142492785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9499527.

The product of its digits is 161280, while the sum is 42.

The square root of 142492785 is about 11937.0341793931. The cubic root of 142492785 is about 522.3131479338.

The spelling of 142492785 in words is "one hundred forty-two million, four hundred ninety-two thousand, seven hundred eighty-five".