1453264144 has 20 divisors (see below), whose sum is σ = 2854272796. Its totient is φ = 716677632.

The previous prime is 1453264129. The next prime is 1453264201. The reversal of 1453264144 is 4414623541.

It can be written as a sum of positive squares in 2 ways, for example, as 857318400 + 595945744 = 29280^2 + 24412^2 .

It is a super-2 number, since 2×1453264144² = 4223953344472105472, which contains 22 as substring.

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, 620949 + ... + 623284.

Almost surely, 2^1453264144 is an apocalyptic number.

It is an amenable number.

1453264144 is a deficient number, since it is larger than the sum of its proper divisors (1401008652).

1453264144 is a wasteful number, since it uses less digits than its factorization.

1453264144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244314 (or 1244308 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 1453264144 is about 38121.7017458560. The cubic root of 1453264144 is about 1132.6998756094.

Adding to 1453264144 its reverse (4414623541), we get a palindrome (5867887685).

The spelling of 1453264144 in words is "one billion, four hundred fifty-three million, two hundred sixty-four thousand, one hundred forty-four".