1552343245 has 4 divisors (see below), whose sum is σ = 1862811900. Its totient is φ = 1241874592.

The previous prime is 1552343237. The next prime is 1552343249. The reversal of 1552343245 is 5423432551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5423432551 = 251 ⋅21607301.

It can be written as a sum of positive squares in 2 ways, for example, as 220166244 + 1332177001 = 14838^2 + 36499^2 .

It is a cyclic number.

It is not a de Polignac number, because 1552343245 - 2³ = 1552343237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1552343245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552343249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155234320 + ... + 155234329.

It is an arithmetic number, because the mean of its divisors is an integer number (465702975).

Almost surely, 2^1552343245 is an apocalyptic number.

It is an amenable number.

1552343245 is a deficient number, since it is larger than the sum of its proper divisors (310468655).

1552343245 is an equidigital number, since it uses as much as digits as its factorization.

1552343245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310468654.

The product of its digits is 72000, while the sum is 34.

The square root of 1552343245 is about 39399.7873725227. The cubic root of 1552343245 is about 1157.8774217164.

Adding to 1552343245 its reverse (5423432551), we get a palindrome (6975775796).

The spelling of 1552343245 in words is "one billion, five hundred fifty-two million, three hundred forty-three thousand, two hundred forty-five".