2071157145 has 8 divisors (see below), whose sum is σ = 3313851456. Its totient is φ = 1104617136.

The previous prime is 2071157113. The next prime is 2071157167. The reversal of 2071157145 is 5417511702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2071157145 - 2⁵ = 2071157113 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69038557 + ... + 69038586.

It is an arithmetic number, because the mean of its divisors is an integer number (414231432).

Almost surely, 2^2071157145 is an apocalyptic number.

It is an amenable number.

2071157145 is a deficient number, since it is larger than the sum of its proper divisors (1242694311).

2071157145 is a wasteful number, since it uses less digits than its factorization.

2071157145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138077151.

The product of its (nonzero) digits is 9800, while the sum is 33.

The square root of 2071157145 is about 45509.9675345962. The cubic root of 2071157145 is about 1274.6893299206.

Adding to 2071157145 its reverse (5417511702), we get a palindrome (7488668847).

The spelling of 2071157145 in words is "two billion, seventy-one million, one hundred fifty-seven thousand, one hundred forty-five".