1450890109 has 6 divisors (see below), whose sum is σ = 1541257274. Its totient is φ = 1365543360.

The previous prime is 1450890079. The next prime is 1450890113. The reversal of 1450890109 is 9010980541.

It can be written as a sum of positive squares in 3 ways, for example, as 185096025 + 1265794084 = 13605^2 + 35578^2 .

It is not a de Polignac number, because 1450890109 - 2¹³ = 1450881917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450890409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2509902 + ... + 2510479.

Almost surely, 2^1450890109 is an apocalyptic number.

It is an amenable number.

1450890109 is a deficient number, since it is larger than the sum of its proper divisors (90367165).

1450890109 is an equidigital number, since it uses as much as digits as its factorization.

1450890109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5020415 (or 5020398 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 1450890109 is about 38090.5514399569. The cubic root of 1450890109 is about 1132.0827511020.

The spelling of 1450890109 in words is "one billion, four hundred fifty million, eight hundred ninety thousand, one hundred nine".