305743045 has 16 divisors (see below), whose sum is σ = 389683008. Its totient is φ = 229489920.

The previous prime is 305743021. The next prime is 305743051. The reversal of 305743045 is 540347503.

It is not a de Polignac number, because 305743045 - 2⁹ = 305742533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 305742998 and 305743016.

It is a congruent number.

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, 22702 + ... + 33568.

It is an arithmetic number, because the mean of its divisors is an integer number (24355188).

Almost surely, 2^305743045 is an apocalyptic number.

It is an amenable number.

305743045 is a deficient number, since it is larger than the sum of its proper divisors (83939963).

305743045 is a wasteful number, since it uses less digits than its factorization.

305743045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11220.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 305743045 is about 17485.5095722144. The cubic root of 305743045 is about 673.6777370599.

The spelling of 305743045 in words is "three hundred five million, seven hundred forty-three thousand, forty-five".