7145044237 has 2 divisors, whose sum is σ = 7145044238. Its totient is φ = 7145044236.

The previous prime is 7145044187. The next prime is 7145044279. The reversal of 7145044237 is 7324405417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7010043076 + 135001161 = 83726^2 + 11619^2 .

It is a cyclic number.

It is not a de Polignac number, because 7145044237 - 2¹¹ = 7145042189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7145044196 and 7145044205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7145044037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572522118 + 3572522119.

It is an arithmetic number, because the mean of its divisors is an integer number (3572522119).

Almost surely, 2^7145044237 is an apocalyptic number.

It is an amenable number.

7145044237 is a deficient number, since it is larger than the sum of its proper divisors (1).

7145044237 is an equidigital number, since it uses as much as digits as its factorization.

7145044237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 7145044237 is about 84528.3635059854. The cubic root of 7145044237 is about 1926.0533269001.

The spelling of 7145044237 in words is "seven billion, one hundred forty-five million, forty-four thousand, two hundred thirty-seven".