305042054 has 16 divisors (see below), whose sum is σ = 478850400. Its totient is φ = 145464000.

The previous prime is 305042053. The next prime is 305042099. The reversal of 305042054 is 450240503.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305042053) 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, 6554 + ... + 25554.

It is an arithmetic number, because the mean of its divisors is an integer number (29928150).

Almost surely, 2^305042054 is an apocalyptic number.

305042054 is a deficient number, since it is larger than the sum of its proper divisors (173808346).

305042054 is a wasteful number, since it uses less digits than its factorization.

305042054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19375.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 305042054 is about 17465.4531575908. The cubic root of 305042054 is about 673.1624858722.

Adding to 305042054 its reverse (450240503), we get a palindrome (755282557).

The spelling of 305042054 in words is "three hundred five million, forty-two thousand, fifty-four".