145266677 has 2 divisors, whose sum is σ = 145266678. Its totient is φ = 145266676.

The previous prime is 145266659. The next prime is 145266691. The reversal of 145266677 is 776662541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133494916 + 11771761 = 11554^2 + 3431^2 .

It is a cyclic number.

It is not a de Polignac number, because 145266677 - 2¹⁴ = 145250293 is a prime.

It is a super-2 number, since 2×145266677² = 42204814893244658, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145266697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72633338 + 72633339.

It is an arithmetic number, because the mean of its divisors is an integer number (72633339).

Almost surely, 2^145266677 is an apocalyptic number.

It is an amenable number.

145266677 is a deficient number, since it is larger than the sum of its proper divisors (1).

145266677 is an equidigital number, since it uses as much as digits as its factorization.

145266677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 44.

The square root of 145266677 is about 12052.6626518790. The cubic root of 145266677 is about 525.6806615111.

The spelling of 145266677 in words is "one hundred forty-five million, two hundred sixty-six thousand, six hundred seventy-seven".