2371917145 has 24 divisors (see below), whose sum is σ = 3103208136. Its totient is φ = 1730139648.

The previous prime is 2371917137. The next prime is 2371917161. The reversal of 2371917145 is 5417191732.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 203804176 + 2168112969 = 14276^2 + 46563^2 .

It is not a de Polignac number, because 2371917145 - 2³ = 2371917137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2371917098 and 2371917107.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 445137 + ... + 450433.

It is an arithmetic number, because the mean of its divisors is an integer number (129300339).

Almost surely, 2^2371917145 is an apocalyptic number.

It is an amenable number.

2371917145 is a deficient number, since it is larger than the sum of its proper divisors (731290991).

2371917145 is an equidigital number, since it uses as much as digits as its factorization.

2371917145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5481 (or 5398 counting only the distinct ones).

The product of its digits is 52920, while the sum is 40.

The square root of 2371917145 is about 48702.3320283536. The cubic root of 2371917145 is about 1333.6232905154.

The spelling of 2371917145 in words is "two billion, three hundred seventy-one million, nine hundred seventeen thousand, one hundred forty-five".