30215245234454 has 32 divisors (see below), whose sum is σ = 52855702848000. Its totient is φ = 12949134432360.

The previous prime is 30215245234441. The next prime is 30215245234457. The reversal of 30215245234454 is 45443254251203.

It is a super-2 number, since 2×30215245234454² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30215245234457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36518957 + ... + 37337175.

It is an arithmetic number, because the mean of its divisors is an integer number (1651740714000).

Almost surely, 2^{30215245234454} is an apocalyptic number.

30215245234454 is a deficient number, since it is larger than the sum of its proper divisors (22640457613546).

30215245234454 is an equidigital number, since it uses as much as digits as its factorization.

30215245234454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872073 (or 872059 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 44.

Adding to 30215245234454 its reverse (45443254251203), we get a palindrome (75658499485657).

The spelling of 30215245234454 in words is "thirty trillion, two hundred fifteen billion, two hundred forty-five million, two hundred thirty-four thousand, four hundred fifty-four".