145323055 has 16 divisors (see below), whose sum is σ = 185280480. Its totient is φ = 109043712.

The previous prime is 145323053. The next prime is 145323103. The reversal of 145323055 is 550323541.

145323055 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 145323055 - 2¹ = 145323053 is a prime.

It is a super-2 number, since 2×145323055² = 42237580629066050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145323053) 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, 23311 + ... + 28879.

It is an arithmetic number, because the mean of its divisors is an integer number (11580030).

Almost surely, 2^145323055 is an apocalyptic number.

145323055 is a deficient number, since it is larger than the sum of its proper divisors (39957425).

145323055 is a wasteful number, since it uses less digits than its factorization.

145323055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5898.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 145323055 is about 12055.0012442969. The cubic root of 145323055 is about 525.7486582735.

Adding to 145323055 its reverse (550323541), we get a palindrome (695646596).

The spelling of 145323055 in words is "one hundred forty-five million, three hundred twenty-three thousand, fifty-five".