146274055 has 4 divisors (see below), whose sum is σ = 175528872. Its totient is φ = 117019240.

The previous prime is 146274049. The next prime is 146274059. The reversal of 146274055 is 550472641.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 146274055 - 2³ = 146274047 is a prime.

It is a super-2 number, since 2×146274055² = 42792198332286050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146274055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146274059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14627401 + ... + 14627410.

It is an arithmetic number, because the mean of its divisors is an integer number (43882218).

Almost surely, 2^146274055 is an apocalyptic number.

146274055 is a deficient number, since it is larger than the sum of its proper divisors (29254817).

146274055 is an equidigital number, since it uses as much as digits as its factorization.

146274055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29254816.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 146274055 is about 12094.3811334024. The cubic root of 146274055 is about 526.8930058947.

The spelling of 146274055 in words is "one hundred forty-six million, two hundred seventy-four thousand, fifty-five".