1054305145 has 4 divisors (see below), whose sum is σ = 1265166180. Its totient is φ = 843444112.

The previous prime is 1054305143. The next prime is 1054305149. The reversal of 1054305145 is 5415034501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5415034501 = 3061 ⋅1769041.

It can be written as a sum of positive squares in 2 ways, for example, as 128867904 + 925437241 = 11352^2 + 30421^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054305145 - 2¹ = 1054305143 is a prime.

It is a super-2 number, since 2×1054305145² = 2223118677546942050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1054305143) 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, 105430510 + ... + 105430519.

It is an arithmetic number, because the mean of its divisors is an integer number (316291545).

Almost surely, 2^1054305145 is an apocalyptic number.

It is an amenable number.

1054305145 is a deficient number, since it is larger than the sum of its proper divisors (210861035).

1054305145 is an equidigital number, since it uses as much as digits as its factorization.

1054305145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210861034.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1054305145 is about 32470.0653679662. The cubic root of 1054305145 is about 1017.7835844047.

Adding to 1054305145 its reverse (5415034501), we get a palindrome (6469339646).

The spelling of 1054305145 in words is "one billion, fifty-four million, three hundred five thousand, one hundred forty-five".