1233645452 has 48 divisors (see below), whose sum is σ = 2452312800. Its totient is φ = 538306560.

The previous prime is 1233645383. The next prime is 1233645461. The reversal of 1233645452 is 2545463321.

It is a super-2 number, since 2×1233645452² = 3043762202480568608, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652124 + ... + 654012.

It is an arithmetic number, because the mean of its divisors is an integer number (51089850).

Almost surely, 2^1233645452 is an apocalyptic number.

It is an amenable number.

1233645452 is a deficient number, since it is larger than the sum of its proper divisors (1218667348).

1233645452 is a wasteful number, since it uses less digits than its factorization.

1233645452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586 (or 2584 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

The square root of 1233645452 is about 35123.2893106554. The cubic root of 1233645452 is about 1072.4987318391.

The spelling of 1233645452 in words is "one billion, two hundred thirty-three million, six hundred forty-five thousand, four hundred fifty-two".