145858055 has 12 divisors (see below), whose sum is σ = 203606280. Its totient is φ = 100016784.

The previous prime is 145858051. The next prime is 145858057. The reversal of 145858055 is 550858541.

It is not a de Polignac number, because 145858055 - 2² = 145858051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145858051) 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 11 ways as a sum of consecutive naturals, for example, 297425 + ... + 297914.

It is an arithmetic number, because the mean of its divisors is an integer number (16967190).

Almost surely, 2^145858055 is an apocalyptic number.

145858055 is a deficient number, since it is larger than the sum of its proper divisors (57748225).

145858055 is an equidigital number, since it uses as much as digits as its factorization.

145858055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595358 (or 595351 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 41.

The square root of 145858055 is about 12077.1708193600. The cubic root of 145858055 is about 526.3930411597.

The spelling of 145858055 in words is "one hundred forty-five million, eight hundred fifty-eight thousand, fifty-five".