145255055 has 48 divisors (see below), whose sum is σ = 210288960. Its totient is φ = 95800320.

The previous prime is 145255039. The next prime is 145255067. The reversal of 145255055 is 550552541.

It is not a de Polignac number, because 145255055 - 2⁴ = 145255039 is a prime.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 298022 + ... + 298508.

It is an arithmetic number, because the mean of its divisors is an integer number (4381020).

Almost surely, 2^145255055 is an apocalyptic number.

145255055 is a deficient number, since it is larger than the sum of its proper divisors (65033905).

145255055 is a wasteful number, since it uses less digits than its factorization.

145255055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 32.

The square root of 145255055 is about 12052.1805081072. The cubic root of 145255055 is about 525.6666421831. Note that the first 4 decimals are identical.

The spelling of 145255055 in words is "one hundred forty-five million, two hundred fifty-five thousand, fifty-five".