145010449 has 2 divisors, whose sum is σ = 145010450. Its totient is φ = 145010448.

The previous prime is 145010443. The next prime is 145010473. The reversal of 145010449 is 944010541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129800449 + 15210000 = 11393^2 + 3900^2 .

It is a cyclic number.

It is not a de Polignac number, because 145010449 - 2⁵ = 145010417 is a prime.

It is not a weakly prime, because it can be changed into another prime (145010443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72505224 + 72505225.

It is an arithmetic number, because the mean of its divisors is an integer number (72505225).

Almost surely, 2^145010449 is an apocalyptic number.

It is an amenable number.

145010449 is a deficient number, since it is larger than the sum of its proper divisors (1).

145010449 is an equidigital number, since it uses as much as digits as its factorization.

145010449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 145010449 is about 12042.0284420857. The cubic root of 145010449 is about 525.3714064266.

The spelling of 145010449 in words is "one hundred forty-five million, ten thousand, four hundred forty-nine".