54145101481 has 27 divisors (see below), whose sum is σ = 57842042013. Its totient is φ = 50680099800.

The previous prime is 54145101469. The next prime is 54145101497. The reversal of 54145101481 is 18410154145.

The square root of 54145101481 is 232691.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 54145101481 - 2²³ = 54136712873 is a prime.

It is a super-2 number, since 2×54145101481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54145101281) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 358576756 + ... + 358576906.

Almost surely, 2^54145101481 is an apocalyptic number.

54145101481 is the 232691-st square number.

54145101481 is the 116346-th centered octagonal number.

It is an amenable number.

54145101481 is a deficient number, since it is larger than the sum of its proper divisors (3696940532).

54145101481 is an frugal number, since it uses more digits than its factorization.

54145101481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 34.

The spelling of 54145101481 in words is "fifty-four billion, one hundred forty-five million, one hundred one thousand, four hundred eighty-one".