146408506 has 4 divisors (see below), whose sum is σ = 219612762. Its totient is φ = 73204252.

The previous prime is 146408497. The next prime is 146408569. The reversal of 146408506 is 605804641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 605804641 = 13 ⋅46600357.

It can be written as a sum of positive squares in only one way, i.e., 146192281 + 216225 = 12091^2 + 465^2 .

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 as a sum of consecutive naturals, namely, 36602125 + ... + 36602128.

Almost surely, 2^146408506 is an apocalyptic number.

146408506 is a deficient number, since it is larger than the sum of its proper divisors (73204256).

146408506 is an equidigital number, since it uses as much as digits as its factorization.

146408506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73204255.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 146408506 is about 12099.9382643053. The cubic root of 146408506 is about 527.0543915382.

The spelling of 146408506 in words is "one hundred forty-six million, four hundred eight thousand, five hundred six".