2145150311 has 4 divisors (see below), whose sum is σ = 2146828800. Its totient is φ = 2143471824.

The previous prime is 2145150277. The next prime is 2145150317. The reversal of 2145150311 is 1130515412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2145150311 - 2¹⁸ = 2144888167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145150317) 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, 837326 + ... + 839883.

It is an arithmetic number, because the mean of its divisors is an integer number (536707200).

Almost surely, 2^2145150311 is an apocalyptic number.

2145150311 is a deficient number, since it is larger than the sum of its proper divisors (1678489).

2145150311 is a wasteful number, since it uses less digits than its factorization.

2145150311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678488.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 2145150311 is about 46315.7674124050. The cubic root of 2145150311 is about 1289.6917138840.

Adding to 2145150311 its reverse (1130515412), we get a palindrome (3275665723).

The spelling of 2145150311 in words is "two billion, one hundred forty-five million, one hundred fifty thousand, three hundred eleven".