2401440145 has 24 divisors (see below), whose sum is σ = 3304026936. Its totient is φ = 1669045248.

The previous prime is 2401440133. The next prime is 2401440169. The reversal of 2401440145 is 5410441042.

2401440145 = T₂₂₄ + T₂₂₅ + ... + T₂₄₃₃.

It can be written as a sum of positive squares in 12 ways, for example, as 1686252096 + 715188049 = 41064^2 + 26743^2 .

It is not a de Polignac number, because 2401440145 - 2¹¹ = 2401438097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69222 + ... + 97951.

It is an arithmetic number, because the mean of its divisors is an integer number (137667789).

Almost surely, 2^2401440145 is an apocalyptic number.

It is an amenable number.

2401440145 is a deficient number, since it is larger than the sum of its proper divisors (902586791).

2401440145 is a wasteful number, since it uses less digits than its factorization.

2401440145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167221 (or 167208 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2401440145 is about 49004.4910696969. The cubic root of 2401440145 is about 1339.1336467601.

Adding to 2401440145 its reverse (5410441042), we get a palindrome (7811881187).

The spelling of 2401440145 in words is "two billion, four hundred one million, four hundred forty thousand, one hundred forty-five".