1552443133145 has 8 divisors (see below), whose sum is σ = 1870927176456. Its totient is φ = 1236624228736.

The previous prime is 1552443133133. The next prime is 1552443133147. The reversal of 1552443133145 is 5413313442551.

It can be written as a sum of positive squares in 4 ways, for example, as 27917063056 + 1524526070089 = 167084^2 + 1234717^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1552443133145 - 2²⁰ = 1552442084569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1552443133147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666283442 + ... + 666285771.

It is an arithmetic number, because the mean of its divisors is an integer number (233865897057).

Almost surely, 2^{1552443133145} is an apocalyptic number.

It is an amenable number.

1552443133145 is a deficient number, since it is larger than the sum of its proper divisors (318484043311).

1552443133145 is a wasteful number, since it uses less digits than its factorization.

1552443133145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332569451.

The product of its digits is 432000, while the sum is 41.

Adding to 1552443133145 its reverse (5413313442551), we get a palindrome (6965756575696).

The spelling of 1552443133145 in words is "one trillion, five hundred fifty-two billion, four hundred forty-three million, one hundred thirty-three thousand, one hundred forty-five".