142495207 has 24 divisors (see below), whose sum is σ = 157601520. Its totient is φ = 128732160.

The previous prime is 142495159. The next prime is 142495219. The reversal of 142495207 is 702594241.

It is not a de Polignac number, because 142495207 - 2¹¹ = 142493159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142495237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1040043 + ... + 1040179.

It is an arithmetic number, because the mean of its divisors is an integer number (6566730).

Almost surely, 2^142495207 is an apocalyptic number.

142495207 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

142495207 is a deficient number, since it is larger than the sum of its proper divisors (15106313).

142495207 is a wasteful number, since it uses less digits than its factorization.

142495207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 142495207 is about 11937.1356279469. The cubic root of 142495207 is about 522.3161072305.

The spelling of 142495207 in words is "one hundred forty-two million, four hundred ninety-five thousand, two hundred seven".