145000949 has 2 divisors, whose sum is σ = 145000950. Its totient is φ = 145000948.

The previous prime is 145000927. The next prime is 145000967. The reversal of 145000949 is 949000541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114276100 + 30724849 = 10690^2 + 5543^2 .

It is a cyclic number.

It is not a de Polignac number, because 145000949 - 2²⁰ = 143952373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145000979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72500474 + 72500475.

It is an arithmetic number, because the mean of its divisors is an integer number (72500475).

Almost surely, 2^145000949 is an apocalyptic number.

It is an amenable number.

145000949 is a deficient number, since it is larger than the sum of its proper divisors (1).

145000949 is an equidigital number, since it uses as much as digits as its factorization.

145000949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 145000949 is about 12041.6339838080. The cubic root of 145000949 is about 525.3599333744.

The spelling of 145000949 in words is "one hundred forty-five million, nine hundred forty-nine", and thus it is an aban number.