146331201 has 8 divisors (see below), whose sum is σ = 197781280. Its totient is φ = 96217632.

The previous prime is 146331169. The next prime is 146331233. The reversal of 146331201 is 102133641.

It is an interprime number because it is at equal distance from previous prime (146331169) and next prime (146331233).

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

It is not a de Polignac number, because 146331201 - 2⁵ = 146331169 is a prime.

It is a super-2 number, since 2×146331201² = 42825640772204802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146331281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333871 + ... + 334308.

It is an arithmetic number, because the mean of its divisors is an integer number (24722660).

Almost surely, 2^146331201 is an apocalyptic number.

It is an amenable number.

146331201 is a deficient number, since it is larger than the sum of its proper divisors (51450079).

146331201 is an equidigital number, since it uses as much as digits as its factorization.

146331201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668255.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 146331201 is about 12096.7434047350. The cubic root of 146331201 is about 526.9616120634.

Adding to 146331201 its reverse (102133641), we get a palindrome (248464842).

The spelling of 146331201 in words is "one hundred forty-six million, three hundred thirty-one thousand, two hundred one".