2145037201 has 4 divisors (see below), whose sum is σ = 2238299712. Its totient is φ = 2051774692.

The previous prime is 2145037199. The next prime is 2145037211. The reversal of 2145037201 is 1027305412.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2145037201 - 2¹ = 2145037199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2145037211) 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, 46631221 + ... + 46631266.

It is an arithmetic number, because the mean of its divisors is an integer number (559574928).

Almost surely, 2^2145037201 is an apocalyptic number.

It is an amenable number.

2145037201 is a deficient number, since it is larger than the sum of its proper divisors (93262511).

2145037201 is an equidigital number, since it uses as much as digits as its factorization.

2145037201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93262510.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2145037201 is about 46314.5463218631. The cubic root of 2145037201 is about 1289.6690457610.

The spelling of 2145037201 in words is "two billion, one hundred forty-five million, thirty-seven thousand, two hundred one".