305542045 has 16 divisors (see below), whose sum is σ = 387717120. Its totient is φ = 230774400.

The previous prime is 305542009. The next prime is 305542067. The reversal of 305542045 is 540245503.

It is not a de Polignac number, because 305542045 - 2⁷ = 305541917 is a prime.

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, 17685 + ... + 30394.

It is an arithmetic number, because the mean of its divisors is an integer number (24232320).

Almost surely, 2^305542045 is an apocalyptic number.

It is an amenable number.

305542045 is a deficient number, since it is larger than the sum of its proper divisors (82175075).

305542045 is a wasteful number, since it uses less digits than its factorization.

305542045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48156.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 305542045 is about 17479.7610109521. The cubic root of 305542045 is about 673.5300761275.

Adding to 305542045 its reverse (540245503), we get a palindrome (845787548).

The spelling of 305542045 in words is "three hundred five million, five hundred forty-two thousand, forty-five".