1453150321 has 12 divisors (see below), whose sum is σ = 1736087988. Its totient is φ = 1211892192.

The previous prime is 1453150319. The next prime is 1453150339. The reversal of 1453150321 is 1230513541.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 549246096 + 903904225 = 23436^2 + 30065^2 .

It is not a de Polignac number, because 1453150321 - 2¹ = 1453150319 is a prime.

It is a super-2 number, since 2×1453150321² = 4223291710844806082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1453150301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 398946 + ... + 402571.

It is an arithmetic number, because the mean of its divisors is an integer number (144673999).

Almost surely, 2^1453150321 is an apocalyptic number.

It is an amenable number.

1453150321 is a deficient number, since it is larger than the sum of its proper divisors (282937667).

1453150321 is an equidigital number, since it uses as much as digits as its factorization.

1453150321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801568 (or 801561 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1453150321 is about 38120.2088268152. The cubic root of 1453150321 is about 1132.6703029483.

Adding to 1453150321 its reverse (1230513541), we get a palindrome (2683663862).

The spelling of 1453150321 in words is "one billion, four hundred fifty-three million, one hundred fifty thousand, three hundred twenty-one".