146220558 has 16 divisors (see below), whose sum is σ = 319026816. Its totient is φ = 44309240.

The previous prime is 146220539. The next prime is 146220563. The reversal of 146220558 is 855022641.

It is a super-3 number, since 3×146220558³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 7 ways as a sum of consecutive naturals, for example, 1107666 + ... + 1107797.

It is an arithmetic number, because the mean of its divisors is an integer number (19939176).

Almost surely, 2^146220558 is an apocalyptic number.

146220558 is an abundant number, since it is smaller than the sum of its proper divisors (172806258).

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

146220558 is a wasteful number, since it uses less digits than its factorization.

146220558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215479.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 146220558 is about 12092.1692842930. The cubic root of 146220558 is about 526.8287643080.

The spelling of 146220558 in words is "one hundred forty-six million, two hundred twenty thousand, five hundred fifty-eight".