1553342245 has 64 divisors (see below), whose sum is σ = 2466938880. Its totient is φ = 911409408.

The previous prime is 1553342239. The next prime is 1553342249. The reversal of 1553342245 is 5422433551.

It is not a de Polignac number, because 1553342245 - 2⁷ = 1553342117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1553342245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553342249) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 404404 + ... + 408226.

It is an arithmetic number, because the mean of its divisors is an integer number (38545920).

Almost surely, 2^1553342245 is an apocalyptic number.

It is an amenable number.

1553342245 is a deficient number, since it is larger than the sum of its proper divisors (913596635).

1553342245 is a wasteful number, since it uses less digits than its factorization.

1553342245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914.

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

The square root of 1553342245 is about 39412.4630669031. The cubic root of 1553342245 is about 1158.1257498495.

Adding to 1553342245 its reverse (5422433551), we get a palindrome (6975775796).

The spelling of 1553342245 in words is "one billion, five hundred fifty-three million, three hundred forty-two thousand, two hundred forty-five".