305960141 has 8 divisors (see below), whose sum is σ = 314628600. Its totient is φ = 297312768.

The previous prime is 305960117. The next prime is 305960143. The reversal of 305960141 is 141069503.

It can be written as a sum of positive squares in 4 ways, for example, as 111915241 + 194044900 = 10579^2 + 13930^2 .

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 305960141 - 2⁶ = 305960077 is a prime.

It is a super-2 number, since 2×305960141² = 187223215761479762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305960143) 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, 26885 + ... + 36533.

It is an arithmetic number, because the mean of its divisors is an integer number (39328575).

Almost surely, 2^305960141 is an apocalyptic number.

It is an amenable number.

305960141 is a deficient number, since it is larger than the sum of its proper divisors (8668459).

305960141 is an equidigital number, since it uses as much as digits as its factorization.

305960141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10543.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 305960141 is about 17491.7163537487. The cubic root of 305960141 is about 673.8371499416.

The spelling of 305960141 in words is "three hundred five million, nine hundred sixty thousand, one hundred forty-one".