146555840 has 28 divisors (see below), whose sum is σ = 348986856. Its totient is φ = 58622208.

The previous prime is 146555837. The next prime is 146555869. The reversal of 146555840 is 48555641.

It is a happy number.

146555840 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×146555840² = 42957228476211200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146555794 and 146555803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228674 + ... + 229313.

Almost surely, 2^146555840 is an apocalyptic number.

146555840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146555840 is an abundant number, since it is smaller than the sum of its proper divisors (202431016).

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

146555840 is an equidigital number, since it uses as much as digits as its factorization.

146555840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458004 (or 457994 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 146555840 is about 12106.0249462819. The cubic root of 146555840 is about 527.2311276228.

The spelling of 146555840 in words is "one hundred forty-six million, five hundred fifty-five thousand, eight hundred forty".