1301344145 has 4 divisors (see below), whose sum is σ = 1561612980. Its totient is φ = 1041075312.

The previous prime is 1301344091. The next prime is 1301344147. The reversal of 1301344145 is 5414431031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5414431031 = 17 ⋅318495943.

It can be written as a sum of positive squares in 2 ways, for example, as 600789121 + 700555024 = 24511^2 + 26468^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301344145 - 2⁶ = 1301344081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1301344147) 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, 130134410 + ... + 130134419.

It is an arithmetic number, because the mean of its divisors is an integer number (390403245).

Almost surely, 2^1301344145 is an apocalyptic number.

It is an amenable number.

1301344145 is a deficient number, since it is larger than the sum of its proper divisors (260268835).

1301344145 is an equidigital number, since it uses as much as digits as its factorization.

1301344145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260268834.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1301344145 is about 36074.1478762839. The cubic root of 1301344145 is about 1091.7689048496.

Adding to 1301344145 its reverse (5414431031), we get a palindrome (6715775176).

The spelling of 1301344145 in words is "one billion, three hundred one million, three hundred forty-four thousand, one hundred forty-five".