1453445045 has 16 divisors (see below), whose sum is σ = 1896903792. Its totient is φ = 1062681600.

The previous prime is 1453445011. The next prime is 1453445053. The reversal of 1453445045 is 5405443541.

It can be written as a sum of positive squares in 8 ways, for example, as 46144849 + 1407300196 = 6793^2 + 37514^2 .

It is not a de Polignac number, because 1453445045 - 2⁶ = 1453444981 is a prime.

It is a super-2 number, since 2×1453445045² = 4225004997670104050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1453444996 and 1453445014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104132 + ... + 117261.

It is an arithmetic number, because the mean of its divisors is an integer number (118556487).

Almost surely, 2^1453445045 is an apocalyptic number.

It is an amenable number.

1453445045 is a deficient number, since it is larger than the sum of its proper divisors (443458747).

1453445045 is a wasteful number, since it uses less digits than its factorization.

1453445045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221512.

The product of its (nonzero) digits is 96000, while the sum is 35.

The square root of 1453445045 is about 38124.0743494186. The cubic root of 1453445045 is about 1132.7468728097.

Adding to 1453445045 its reverse (5405443541), we get a palindrome (6858888586).

The spelling of 1453445045 in words is "one billion, four hundred fifty-three million, four hundred forty-five thousand, forty-five".