2151445285 has 16 divisors (see below), whose sum is σ = 2982111552. Its totient is φ = 1472646400.

The previous prime is 2151445267. The next prime is 2151445333. The reversal of 2151445285 is 5825441512.

It is not a de Polignac number, because 2151445285 - 2¹⁷ = 2151314213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1149571 + ... + 1151440.

It is an arithmetic number, because the mean of its divisors is an integer number (186381972).

Almost surely, 2^2151445285 is an apocalyptic number.

It is an amenable number.

2151445285 is a deficient number, since it is larger than the sum of its proper divisors (830666267).

2151445285 is a wasteful number, since it uses less digits than its factorization.

2151445285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301044.

The product of its digits is 64000, while the sum is 37.

The square root of 2151445285 is about 46383.6747681768. The cubic root of 2151445285 is about 1290.9520214296.

Adding to 2151445285 its reverse (5825441512), we get a palindrome (7976886797).

The spelling of 2151445285 in words is "two billion, one hundred fifty-one million, four hundred forty-five thousand, two hundred eighty-five".