146240345 has 8 divisors (see below), whose sum is σ = 175778376. Its totient is φ = 116798976.

The previous prime is 146240309. The next prime is 146240357. The reversal of 146240345 is 543042641.

It can be written as a sum of positive squares in 4 ways, for example, as 10843849 + 135396496 = 3293^2 + 11636^2 .

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 146240345 - 2⁸ = 146240089 is a prime.

It is a Duffinian 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, 20792 + ... + 26921.

It is an arithmetic number, because the mean of its divisors is an integer number (21972297).

Almost surely, 2^146240345 is an apocalyptic number.

It is an amenable number.

146240345 is a deficient number, since it is larger than the sum of its proper divisors (29538031).

146240345 is an equidigital number, since it uses as much as digits as its factorization.

146240345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48331.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 146240345 is about 12092.9874307385. The cubic root of 146240345 is about 526.8525272469.

Adding to 146240345 its reverse (543042641), we get a palindrome (689282986).

The spelling of 146240345 in words is "one hundred forty-six million, two hundred forty thousand, three hundred forty-five".