1553034145 has 16 divisors (see below), whose sum is σ = 2024768592. Its totient is φ = 1136701440.

The previous prime is 1553034107. The next prime is 1553034149. The reversal of 1553034145 is 5414303551.

It can be written as a sum of positive squares in 8 ways, for example, as 986022801 + 567011344 = 31401^2 + 23812^2 .

It is not a de Polignac number, because 1553034145 - 2¹¹ = 1553032097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1553034149) 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, 98376 + ... + 113065.

It is an arithmetic number, because the mean of its divisors is an integer number (126548037).

Almost surely, 2^1553034145 is an apocalyptic number.

It is an amenable number.

1553034145 is a deficient number, since it is larger than the sum of its proper divisors (471734447).

1553034145 is a wasteful number, since it uses less digits than its factorization.

1553034145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211572.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1553034145 is about 39408.5542109832. The cubic root of 1553034145 is about 1158.0491747229.

Adding to 1553034145 its reverse (5414303551), we get a palindrome (6967337696).

The spelling of 1553034145 in words is "one billion, five hundred fifty-three million, thirty-four thousand, one hundred forty-five".