146505554 has 16 divisors (see below), whose sum is σ = 236922840. Its totient is φ = 67543680.

The previous prime is 146505521. The next prime is 146505571. The reversal of 146505554 is 455505641.

146505554 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 27804529 + 118701025 = 5273^2 + 10895^2 .

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 26294 + ... + 31374.

Almost surely, 2^146505554 is an apocalyptic number.

146505554 is a deficient number, since it is larger than the sum of its proper divisors (90417286).

146505554 is a wasteful number, since it uses less digits than its factorization.

146505554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6205.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 146505554 is about 12103.9478683610. The cubic root of 146505554 is about 527.1708198308.

It can be divided in two parts, 14 and 6505554, that multiplied together give a triangular number (91077756 = T₁₃₄₉₆).

The spelling of 146505554 in words is "one hundred forty-six million, five hundred five thousand, five hundred fifty-four".