2145012054 has 16 divisors (see below), whose sum is σ = 4290651648. Its totient is φ = 714899432.

The previous prime is 2145012019. The next prime is 2145012091. The reversal of 2145012054 is 4502105412.

It is a congruent 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, 26419 + ... + 70625.

It is an arithmetic number, because the mean of its divisors is an integer number (268165728).

Almost surely, 2^2145012054 is an apocalyptic number.

2145012054 is an abundant number, since it is smaller than the sum of its proper divisors (2145639594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2145012054 is a wasteful number, since it uses less digits than its factorization.

2145012054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52299.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2145012054 is about 46314.2748404852. The cubic root of 2145012054 is about 1289.6640059984.

Adding to 2145012054 its reverse (4502105412), we get a palindrome (6647117466).

The spelling of 2145012054 in words is "two billion, one hundred forty-five million, twelve thousand, fifty-four".