146220455 has 8 divisors (see below), whose sum is σ = 175772112. Its totient is φ = 116771328.

The previous prime is 146220449. The next prime is 146220463. The reversal of 146220455 is 554022641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146220455 - 2⁸ = 146220199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22457 + ... + 28226.

It is an arithmetic number, because the mean of its divisors is an integer number (21971514).

Almost surely, 2^146220455 is an apocalyptic number.

146220455 is a deficient number, since it is larger than the sum of its proper divisors (29551657).

146220455 is an equidigital number, since it uses as much as digits as its factorization.

146220455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51265.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 146220455 is about 12092.1650253377. The cubic root of 146220455 is about 526.8286406059.

The spelling of 146220455 in words is "one hundred forty-six million, two hundred twenty thousand, four hundred fifty-five".