145310055 has 16 divisors (see below), whose sum is σ = 253632384. Its totient is φ = 70453280.

The previous prime is 145310023. The next prime is 145310057. The reversal of 145310055 is 550013541.

It is not a de Polignac number, because 145310055 - 2⁵ = 145310023 is a prime.

It is a super-2 number, since 2×145310055² = 42230024168206050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145310057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440169 + ... + 440498.

It is an arithmetic number, because the mean of its divisors is an integer number (15852024).

Almost surely, 2^145310055 is an apocalyptic number.

145310055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145310055 is a deficient number, since it is larger than the sum of its proper divisors (108322329).

145310055 is a wasteful number, since it uses less digits than its factorization.

145310055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880686.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 145310055 is about 12054.4620369389. The cubic root of 145310055 is about 525.7329807052.

Adding to 145310055 its reverse (550013541), we get a palindrome (695323596).

The spelling of 145310055 in words is "one hundred forty-five million, three hundred ten thousand, fifty-five".