142680977 has 2 divisors, whose sum is σ = 142680978. Its totient is φ = 142680976.

The previous prime is 142680953. The next prime is 142681001. The reversal of 142680977 is 779086241.

It is a balanced prime because it is at equal distance from previous prime (142680953) and next prime (142681001).

It can be written as a sum of positive squares in only one way, i.e., 102434641 + 40246336 = 10121^2 + 6344^2 .

It is a cyclic number.

It is not a de Polignac number, because 142680977 - 2¹⁶ = 142615441 is a prime.

It is a super-2 number, since 2×142680977² = 40715722395349058, which contains 22 as substring.

It is equal to p_8054999 and since 142680977 and 8054999 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (142680907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71340488 + 71340489.

It is an arithmetic number, because the mean of its divisors is an integer number (71340489).

Almost surely, 2^142680977 is an apocalyptic number.

It is an amenable number.

142680977 is a deficient number, since it is larger than the sum of its proper divisors (1).

142680977 is an equidigital number, since it uses as much as digits as its factorization.

142680977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 142680977 is about 11944.9142734471. The cubic root of 142680977 is about 522.5429886106.

The spelling of 142680977 in words is "one hundred forty-two million, six hundred eighty thousand, nine hundred seventy-seven".