1305154045 has 48 divisors (see below), whose sum is σ = 1764529920. Its totient is φ = 925646592.

The previous prime is 1305154013. The next prime is 1305154049. The reversal of 1305154045 is 5404515031.

It is not a de Polignac number, because 1305154045 - 2⁵ = 1305154013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305154049) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2342907 + ... + 2343463.

It is an arithmetic number, because the mean of its divisors is an integer number (36761040).

Almost surely, 2^1305154045 is an apocalyptic number.

It is an amenable number.

1305154045 is a deficient number, since it is larger than the sum of its proper divisors (459375875).

1305154045 is a wasteful number, since it uses less digits than its factorization.

1305154045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694 (or 681 counting only the distinct ones).

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

The square root of 1305154045 is about 36126.9157969512. The cubic root of 1305154045 is about 1092.8333114015.

Adding to 1305154045 its reverse (5404515031), we get a palindrome (6709669076).

The spelling of 1305154045 in words is "one billion, three hundred five million, one hundred fifty-four thousand, forty-five".