1450889365 has 4 divisors (see below), whose sum is σ = 1741067244. Its totient is φ = 1160711488.

The previous prime is 1450889351. The next prime is 1450889411. The reversal of 1450889365 is 5639880541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5639880541 = 181 ⋅31159561.

It can be written as a sum of positive squares in 2 ways, for example, as 284461956 + 1166427409 = 16866^2 + 34153^2 .

It is a cyclic number.

It is not a de Polignac number, because 1450889365 - 2¹⁷ = 1450758293 is a prime.

It is a super-3 number, since 3×1450889365³ (a number of 28 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145088932 + ... + 145088941.

It is an arithmetic number, because the mean of its divisors is an integer number (435266811).

Almost surely, 2^1450889365 is an apocalyptic number.

It is an amenable number.

1450889365 is a deficient number, since it is larger than the sum of its proper divisors (290177879).

1450889365 is an equidigital number, since it uses as much as digits as its factorization.

1450889365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290177878.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The square root of 1450889365 is about 38090.5416737541. The cubic root of 1450889365 is about 1132.0825575956.

The spelling of 1450889365 in words is "one billion, four hundred fifty million, eight hundred eighty-nine thousand, three hundred sixty-five".