1230445552 has 40 divisors (see below), whose sum is σ = 2812454912. Its totient is φ = 510321600.

The previous prime is 1230445507. The next prime is 1230445603. The reversal of 1230445552 is 2555440321.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173724 + ... + 180667.

Almost surely, 2^1230445552 is an apocalyptic number.

It is an amenable number.

1230445552 is an abundant number, since it is smaller than the sum of its proper divisors (1582009360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230445552 is a wasteful number, since it uses less digits than its factorization.

1230445552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354437 (or 354431 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 1230445552 is about 35077.7073367117. The cubic root of 1230445552 is about 1071.5706261055.

Adding to 1230445552 its reverse (2555440321), we get a palindrome (3785885873).

The spelling of 1230445552 in words is "one billion, two hundred thirty million, four hundred forty-five thousand, five hundred fifty-two".