146172144 has 20 divisors (see below), whose sum is σ = 377611496. Its totient is φ = 48724032.

The previous prime is 146172139. The next prime is 146172193. The reversal of 146172144 is 441271641.

It is a super-3 number, since 3×146172144³ (a number of 25 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1522579 + ... + 1522674.

Almost surely, 2^146172144 is an apocalyptic number.

It is an amenable number.

146172144 is an abundant number, since it is smaller than the sum of its proper divisors (231439352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146172144 is a wasteful number, since it uses less digits than its factorization.

146172144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045264 (or 3045258 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 146172144 is about 12090.1672445008. The cubic root of 146172144 is about 526.7706131066.

It can be divided in two parts, 14617 and 2144, that added together give a palindrome (16761).

The spelling of 146172144 in words is "one hundred forty-six million, one hundred seventy-two thousand, one hundred forty-four".