305960142 has 16 divisors (see below), whose sum is σ = 631660032. Its totient is φ = 98696760.

The previous prime is 305960117. The next prime is 305960143. The reversal of 305960142 is 241069503.

It is a super-2 number, since 2×305960142² = 187223216985320328, which contains 22 as substring.

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, 822288 + ... + 822659.

It is an arithmetic number, because the mean of its divisors is an integer number (39478752).

Almost surely, 2^305960142 is an apocalyptic number.

305960142 is an abundant number, since it is smaller than the sum of its proper divisors (325699890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305960142 is a wasteful number, since it uses less digits than its factorization.

305960142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644983.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 305960142 is about 17491.7163823337. The cubic root of 305960142 is about 673.8371506757.

The spelling of 305960142 in words is "three hundred five million, nine hundred sixty thousand, one hundred forty-two".