145511055 has 24 divisors (see below), whose sum is σ = 260357760. Its totient is φ = 75101760.

The previous prime is 145511053. The next prime is 145511057. The reversal of 145511055 is 550115541.

145511055 is a `hidden beast` number, since 1 + 4 + 551 + 105 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (145511053) and next prime (145511057).

It is not a de Polignac number, because 145511055 - 2¹ = 145511053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145511053) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 50760 + ... + 53549.

It is an arithmetic number, because the mean of its divisors is an integer number (10848240).

Almost surely, 2^145511055 is an apocalyptic number.

145511055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145511055 is a deficient number, since it is larger than the sum of its proper divisors (114846705).

145511055 is a wasteful number, since it uses less digits than its factorization.

145511055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104351 (or 104348 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The square root of 145511055 is about 12062.7963176040. The cubic root of 145511055 is about 525.9752755755.

Adding to 145511055 its reverse (550115541), we get a palindrome (695626596).

The spelling of 145511055 in words is "one hundred forty-five million, five hundred eleven thousand, fifty-five".