146421355 has 8 divisors (see below), whose sum is σ = 175993200. Its totient is φ = 116945376.

The previous prime is 146421343. The next prime is 146421361. The reversal of 146421355 is 553124641.

It is a happy number.

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 146421355 - 2¹⁷ = 146290283 is a prime.

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, 20560 + ... + 26749.

It is an arithmetic number, because the mean of its divisors is an integer number (21999150).

Almost surely, 2^146421355 is an apocalyptic number.

146421355 is a deficient number, since it is larger than the sum of its proper divisors (29571845).

146421355 is an equidigital number, since it uses as much as digits as its factorization.

146421355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47933.

The product of its digits is 14400, while the sum is 31.

The square root of 146421355 is about 12100.4692057788. The cubic root of 146421355 is about 527.0698094124.

Adding to 146421355 its reverse (553124641), we get a palindrome (699545996).

The spelling of 146421355 in words is "one hundred forty-six million, four hundred twenty-one thousand, three hundred fifty-five".