142948357 has 2 divisors, whose sum is σ = 142948358. Its totient is φ = 142948356.

The previous prime is 142948339. The next prime is 142948373. The reversal of 142948357 is 753849241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139854276 + 3094081 = 11826^2 + 1759^2 .

It is a cyclic number.

It is not a de Polignac number, because 142948357 - 2¹⁵ = 142915589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142948307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71474178 + 71474179.

It is an arithmetic number, because the mean of its divisors is an integer number (71474179).

Almost surely, 2^142948357 is an apocalyptic number.

It is an amenable number.

142948357 is a deficient number, since it is larger than the sum of its proper divisors (1).

142948357 is an equidigital number, since it uses as much as digits as its factorization.

142948357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 142948357 is about 11956.1012458075. The cubic root of 142948357 is about 522.8691950479.

The spelling of 142948357 in words is "one hundred forty-two million, nine hundred forty-eight thousand, three hundred fifty-seven".