2145510054 has 12 divisors (see below), whose sum is σ = 4648605156. Its totient is φ = 715170012.

The previous prime is 2145510049. The next prime is 2145510061. The reversal of 2145510054 is 4500155412.

2145510054 is a `hidden beast` number, since 2 + 145 + 510 + 0 + 5 + 4 = 666.

It is a Curzon number.

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 5 ways as a sum of consecutive naturals, for example, 59597484 + ... + 59597519.

It is an arithmetic number, because the mean of its divisors is an integer number (387383763).

Almost surely, 2^2145510054 is an apocalyptic number.

2145510054 is an abundant number, since it is smaller than the sum of its proper divisors (2503095102).

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

2145510054 is a wasteful number, since it uses less digits than its factorization.

2145510054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119195011 (or 119195008 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 2145510054 is about 46319.6508406529. The cubic root of 2145510054 is about 1289.7638038802.

Adding to 2145510054 its reverse (4500155412), we get a palindrome (6645665466).

The spelling of 2145510054 in words is "two billion, one hundred forty-five million, five hundred ten thousand, fifty-four".