145296677 has 2 divisors, whose sum is σ = 145296678. Its totient is φ = 145296676.

The previous prime is 145296623. The next prime is 145296689. The reversal of 145296677 is 776692541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140161921 + 5134756 = 11839^2 + 2266^2 .

It is a cyclic number.

It is not a de Polignac number, because 145296677 - 2⁸ = 145296421 is a prime.

It is a super-2 number, since 2×145296677² = 42222248694484658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145296577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72648338 + 72648339.

It is an arithmetic number, because the mean of its divisors is an integer number (72648339).

Almost surely, 2^145296677 is an apocalyptic number.

It is an amenable number.

145296677 is a deficient number, since it is larger than the sum of its proper divisors (1).

145296677 is an equidigital number, since it uses as much as digits as its factorization.

145296677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 47.

The square root of 145296677 is about 12053.9071259074. The cubic root of 145296677 is about 525.7168463051.

The spelling of 145296677 in words is "one hundred forty-five million, two hundred ninety-six thousand, six hundred seventy-seven".