142907 has 2 divisors, whose sum is σ = 142908. Its totient is φ = 142906.

The previous prime is 142903. The next prime is 142939. The reversal of 142907 is 709241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142907 - 2² = 142903 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142907.

It is not a weakly prime, because it can be changed into another prime (142903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71453 + 71454.

It is an arithmetic number, because the mean of its divisors is an integer number (71454).

2¹⁴²⁹⁰⁷ is an apocalyptic number.

142907 is a deficient number, since it is larger than the sum of its proper divisors (1).

142907 is an equidigital number, since it uses as much as digits as its factorization.

142907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 142907 is about 378.0304220562. The cubic root of 142907 is about 52.2818765677.

Subtracting from 142907 its sum of digits (23), we obtain a square (142884 = 378²).

The spelling of 142907 in words is "one hundred forty-two thousand, nine hundred seven".