3145561051 has 4 divisors (see below), whose sum is σ = 3330594072. Its totient is φ = 2960528032.

The previous prime is 3145561049. The next prime is 3145561079. The reversal of 3145561051 is 1501655413.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1501655413 = 53 ⋅28333121.

It is a cyclic number.

It is not a de Polignac number, because 3145561051 - 2¹ = 3145561049 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3145568051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92516485 + ... + 92516518.

It is an arithmetic number, because the mean of its divisors is an integer number (832648518).

Almost surely, 2^3145561051 is an apocalyptic number.

3145561051 is a deficient number, since it is larger than the sum of its proper divisors (185033021).

3145561051 is a wasteful number, since it uses less digits than its factorization.

3145561051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185033020.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 3145561051 is about 56085.3015593212. The cubic root of 3145561051 is about 1465.2083092065.

The spelling of 3145561051 in words is "three billion, one hundred forty-five million, five hundred sixty-one thousand, fifty-one".