2051030145 has 32 divisors (see below), whose sum is σ = 3511025280. Its totient is φ = 1019312640.

The previous prime is 2051030143. The next prime is 2051030159. The reversal of 2051030145 is 5410301502.

It is not a de Polignac number, because 2051030145 - 2¹ = 2051030143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2051030143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41604 + ... + 76373.

It is an arithmetic number, because the mean of its divisors is an integer number (109719540).

Almost surely, 2^2051030145 is an apocalyptic number.

It is an amenable number.

2051030145 is a deficient number, since it is larger than the sum of its proper divisors (1459995135).

2051030145 is a wasteful number, since it uses less digits than its factorization.

2051030145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118065.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2051030145 is about 45288.3003103451. The cubic root of 2051030145 is about 1270.5468422319.

Adding to 2051030145 its reverse (5410301502), we get a palindrome (7461331647).

The spelling of 2051030145 in words is "two billion, fifty-one million, thirty thousand, one hundred forty-five".