2301220145 has 16 divisors (see below), whose sum is σ = 3175328640. Its totient is φ = 1568294784.

The previous prime is 2301220043. The next prime is 2301220153. The reversal of 2301220145 is 5410221032.

It is not a de Polignac number, because 2301220145 - 2¹⁰ = 2301219121 is a prime.

It is a super-2 number, since 2×2301220145² = 10591228311507642050, 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, 195980 + ... + 207389.

It is an arithmetic number, because the mean of its divisors is an integer number (198458040).

Almost surely, 2^2301220145 is an apocalyptic number.

It is an amenable number.

2301220145 is a deficient number, since it is larger than the sum of its proper divisors (874108495).

2301220145 is a wasteful number, since it uses less digits than its factorization.

2301220145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403544.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2301220145 is about 47971.0344374603. The cubic root of 2301220145 is about 1320.2395006578.

Adding to 2301220145 its reverse (5410221032), we get a palindrome (7711441177).

The spelling of 2301220145 in words is "two billion, three hundred one million, two hundred twenty thousand, one hundred forty-five".