145000873 has 2 divisors, whose sum is σ = 145000874. Its totient is φ = 145000872.

The previous prime is 145000861. The next prime is 145000879. The reversal of 145000873 is 378000541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142014889 + 2985984 = 11917^2 + 1728^2 .

It is a cyclic number.

It is not a de Polignac number, because 145000873 - 2¹³ = 144992681 is a prime.

It is not a weakly prime, because it can be changed into another prime (145000879) 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, 72500436 + 72500437.

It is an arithmetic number, because the mean of its divisors is an integer number (72500437).

Almost surely, 2^145000873 is an apocalyptic number.

It is an amenable number.

145000873 is a deficient number, since it is larger than the sum of its proper divisors (1).

145000873 is an equidigital number, since it uses as much as digits as its factorization.

145000873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 145000873 is about 12041.6308280897. The cubic root of 145000873 is about 525.3598415879.

The spelling of 145000873 in words is "one hundred forty-five million, eight hundred seventy-three", and thus it is an aban number.