146601145 has 4 divisors (see below), whose sum is σ = 175921380. Its totient is φ = 117280912.

The previous prime is 146601121. The next prime is 146601151. The reversal of 146601145 is 541106641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70073641 + 76527504 = 8371^2 + 8748^2 .

It is a cyclic number.

It is not a de Polignac number, because 146601145 - 2⁵ = 146601113 is a prime.

It is a super-2 number, since 2×146601145² = 42983791430622050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14660110 + ... + 14660119.

It is an arithmetic number, because the mean of its divisors is an integer number (43980345).

Almost surely, 2^146601145 is an apocalyptic number.

It is an amenable number.

146601145 is a deficient number, since it is larger than the sum of its proper divisors (29320235).

146601145 is an equidigital number, since it uses as much as digits as its factorization.

146601145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29320234.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 146601145 is about 12107.8959774190. The cubic root of 146601145 is about 527.2854499101.

Adding to 146601145 its reverse (541106641), we get a palindrome (687707786).

The spelling of 146601145 in words is "one hundred forty-six million, six hundred one thousand, one hundred forty-five".