305142725621474 has 64 divisors (see below), whose sum is σ = 497827140259680. Its totient is φ = 139435915069440.

The previous prime is 305142725621473. The next prime is 305142725621479. The reversal of 305142725621474 is 474126527241503.

It can be written as a sum of positive squares in 16 ways, for example, as 107204135647249 + 197938589974225 = 10353943^2 + 14069065^2 .

It is a super-2 number, since 2×305142725621474² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (305142725621473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24192709592 + ... + 24192722204.

Almost surely, 2^{305142725621474} is an apocalyptic number.

305142725621474 is a deficient number, since it is larger than the sum of its proper divisors (192684414638206).

305142725621474 is a wasteful number, since it uses less digits than its factorization.

305142725621474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18615.

The product of its (nonzero) digits is 11289600, while the sum is 53.

The spelling of 305142725621474 in words is "three hundred five trillion, one hundred forty-two billion, seven hundred twenty-five million, six hundred twenty-one thousand, four hundred seventy-four".