146155623 has 16 divisors (see below), whose sum is σ = 197516256. Its totient is φ = 96122880.

The previous prime is 146155601. The next prime is 146155627. The reversal of 146155623 is 326551641.

It is not a de Polignac number, because 146155623 - 2²⁵ = 112601191 is a prime.

It is a super-2 number, since 2×146155623² = 42722932269036258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146155627) 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 15 ways as a sum of consecutive naturals, for example, 121915 + ... + 123107.

It is an arithmetic number, because the mean of its divisors is an integer number (12344766).

Almost surely, 2^146155623 is an apocalyptic number.

146155623 is a deficient number, since it is larger than the sum of its proper divisors (51360633).

146155623 is a wasteful number, since it uses less digits than its factorization.

146155623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714.

The product of its digits is 21600, while the sum is 33.

The square root of 146155623 is about 12089.4839840251. The cubic root of 146155623 is about 526.7507664041.

The spelling of 146155623 in words is "one hundred forty-six million, one hundred fifty-five thousand, six hundred twenty-three".