142052787 has 12 divisors (see below), whose sum is σ = 205310664. Its totient is φ = 94644960.

The previous prime is 142052783. The next prime is 142052791. The reversal of 142052787 is 787250241.

It is an interprime number because it is at equal distance from previous prime (142052783) and next prime (142052791).

It is not a de Polignac number, because 142052787 - 2² = 142052783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142052783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15712 + ... + 23042.

It is an arithmetic number, because the mean of its divisors is an integer number (17109222).

Almost surely, 2^142052787 is an apocalyptic number.

142052787 is a deficient number, since it is larger than the sum of its proper divisors (63257877).

142052787 is a wasteful number, since it uses less digits than its factorization.

142052787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9490 (or 9487 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 142052787 is about 11918.5899753285. The cubic root of 142052787 is about 521.7749833885.

The spelling of 142052787 in words is "one hundred forty-two million, fifty-two thousand, seven hundred eighty-seven".