305145522242 has 32 divisors (see below), whose sum is σ = 512884500480. Its totient is φ = 134961639120.

The previous prime is 305145522239. The next prime is 305145522259. The reversal of 305145522242 is 242225541503.

It is a happy number.

It is a super-2 number, since 2×305145522242² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364442 + ... + 862037.

It is an arithmetic number, because the mean of its divisors is an integer number (16027640640).

Almost surely, 2^305145522242 is an apocalyptic number.

305145522242 is a deficient number, since it is larger than the sum of its proper divisors (207738978238).

305145522242 is a wasteful number, since it uses less digits than its factorization.

305145522242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226798.

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 305145522242 in words is "three hundred five billion, one hundred forty-five million, five hundred twenty-two thousand, two hundred forty-two".