30445214854 has 4 divisors (see below), whose sum is σ = 45667822284. Its totient is φ = 15222607426.

The previous prime is 30445214843. The next prime is 30445214857. The reversal of 30445214854 is 45841254403.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×30445214854² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30445214857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7611303712 + ... + 7611303715.

It is an arithmetic number, because the mean of its divisors is an integer number (11416955571).

Almost surely, 2^30445214854 is an apocalyptic number.

30445214854 is a deficient number, since it is larger than the sum of its proper divisors (15222607430).

30445214854 is a wasteful number, since it uses less digits than its factorization.

30445214854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15222607429.

The product of its (nonzero) digits is 307200, while the sum is 40.

The spelling of 30445214854 in words is "thirty billion, four hundred forty-five million, two hundred fourteen thousand, eight hundred fifty-four".