145096009 has 2 divisors, whose sum is σ = 145096010. Its totient is φ = 145096008.

The previous prime is 145096001. The next prime is 145096013. The reversal of 145096009 is 900690541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134676025 + 10419984 = 11605^2 + 3228^2 .

It is a cyclic number.

It is not a de Polignac number, because 145096009 - 2³ = 145096001 is a prime.

It is not a weakly prime, because it can be changed into another prime (145096001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72548004 + 72548005.

It is an arithmetic number, because the mean of its divisors is an integer number (72548005).

Almost surely, 2^145096009 is an apocalyptic number.

It is an amenable number.

145096009 is a deficient number, since it is larger than the sum of its proper divisors (1).

145096009 is an equidigital number, since it uses as much as digits as its factorization.

145096009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 145096009 is about 12045.5804758426. The cubic root of 145096009 is about 525.4747137860.

The spelling of 145096009 in words is "one hundred forty-five million, ninety-six thousand, nine".