1553134245 has 16 divisors (see below), whose sum is σ = 2676170112. Its totient is φ = 764619840.

The previous prime is 1553134241. The next prime is 1553134273. The reversal of 1553134245 is 5424313551.

It is not a de Polignac number, because 1553134245 - 2² = 1553134241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553134241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3982201 + ... + 3982590.

It is an arithmetic number, because the mean of its divisors is an integer number (167260632).

Almost surely, 2^1553134245 is an apocalyptic number.

1553134245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1553134245 is a deficient number, since it is larger than the sum of its proper divisors (1123035867).

1553134245 is a wasteful number, since it uses less digits than its factorization.

1553134245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7964812.

The product of its digits is 36000, while the sum is 33.

The square root of 1553134245 is about 39409.8242193492. The cubic root of 1553134245 is about 1158.0740546721.

Adding to 1553134245 its reverse (5424313551), we get a palindrome (6977447796).

The spelling of 1553134245 in words is "one billion, five hundred fifty-three million, one hundred thirty-four thousand, two hundred forty-five".