1450189357 has 4 divisors (see below), whose sum is σ = 1450512700. Its totient is φ = 1449866016.

The previous prime is 1450189343. The next prime is 1450189361. The reversal of 1450189357 is 7539810541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7539810541 = 59 ⋅127793399.

It can be written as a sum of positive squares in 2 ways, for example, as 728676036 + 721513321 = 26994^2 + 26861^2 .

It is a cyclic number.

It is not a de Polignac number, because 1450189357 - 2¹¹ = 1450187309 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 (1450189057) 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 in 3 ways as a sum of consecutive naturals, for example, 154848 + ... + 163945.

It is an arithmetic number, because the mean of its divisors is an integer number (362628175).

Almost surely, 2^1450189357 is an apocalyptic number.

It is an amenable number.

1450189357 is a deficient number, since it is larger than the sum of its proper divisors (323343).

1450189357 is an equidigital number, since it uses as much as digits as its factorization.

1450189357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323342.

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 1450189357 is about 38081.3518273708. The cubic root of 1450189357 is about 1131.9004636912.

Adding to 1450189357 its reverse (7539810541), we get a palindrome (8989999898).

The spelling of 1450189357 in words is "one billion, four hundred fifty million, one hundred eighty-nine thousand, three hundred fifty-seven".