145697683 has 2 divisors, whose sum is σ = 145697684. Its totient is φ = 145697682.

The previous prime is 145697627. The next prime is 145697729. The reversal of 145697683 is 386796541.

It is a strong prime.

It is an emirp because it is prime and its reverse (386796541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145697683 - 2²¹ = 143600531 is a prime.

It is not a weakly prime, because it can be changed into another prime (145697483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72848841 + 72848842.

It is an arithmetic number, because the mean of its divisors is an integer number (72848842).

Almost surely, 2^145697683 is an apocalyptic number.

145697683 is a deficient number, since it is larger than the sum of its proper divisors (1).

145697683 is an equidigital number, since it uses as much as digits as its factorization.

145697683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 49.

The square root of 145697683 is about 12070.5295244244. The cubic root of 145697683 is about 526.2000460742.

The spelling of 145697683 in words is "one hundred forty-five million, six hundred ninety-seven thousand, six hundred eighty-three".