145313055 has 32 divisors (see below), whose sum is σ = 267249600. Its totient is φ = 74825856.

The previous prime is 145313009. The next prime is 145313071. The reversal of 145313055 is 550313541.

145313055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145313055 - 2⁸ = 145312799 is a prime.

It is a super-2 number, since 2×145313055² = 42231767906866050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14644 + ... + 22473.

It is an arithmetic number, because the mean of its divisors is an integer number (8351550).

Almost surely, 2^145313055 is an apocalyptic number.

145313055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145313055 is a deficient number, since it is larger than the sum of its proper divisors (121936545).

145313055 is a wasteful number, since it uses less digits than its factorization.

145313055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37160 (or 37154 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 145313055 is about 12054.5864715468. The cubic root of 145313055 is about 525.7365986885.

Adding to 145313055 its reverse (550313541), we get a palindrome (695626596).

The spelling of 145313055 in words is "one hundred forty-five million, three hundred thirteen thousand, fifty-five".