1304051145 has 16 divisors (see below), whose sum is σ = 2089722240. Its totient is φ = 694413824.

The previous prime is 1304051123. The next prime is 1304051201. The reversal of 1304051145 is 5411504031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1304051145 - 2⁸ = 1304050889 is a prime.

It is a super-2 number, since 2×1304051145² = 3401098777551622050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57480 + ... + 76889.

It is an arithmetic number, because the mean of its divisors is an integer number (130607640).

Almost surely, 2^1304051145 is an apocalyptic number.

1304051145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1304051145 is a deficient number, since it is larger than the sum of its proper divisors (785671095).

1304051145 is a wasteful number, since it uses less digits than its factorization.

1304051145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135024.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1304051145 is about 36111.6483284826. The cubic root of 1304051145 is about 1092.5253974236.

Adding to 1304051145 its reverse (5411504031), we get a palindrome (6715555176).

The spelling of 1304051145 in words is "one billion, three hundred four million, fifty-one thousand, one hundred forty-five".