30206145450 has 48 divisors (see below), whose sum is σ = 80673649056. Its totient is φ = 7435358400.

The previous prime is 30206145421. The next prime is 30206145503. The reversal of 30206145450 is 5454160203.

It is a super-2 number, since 2×30206145450² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 7743216 + ... + 7747115.

It is an arithmetic number, because the mean of its divisors is an integer number (1680701022).

Almost surely, 2^30206145450 is an apocalyptic number.

30206145450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30206145450 is an abundant number, since it is smaller than the sum of its proper divisors (50467503606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30206145450 is a wasteful number, since it uses less digits than its factorization.

30206145450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15490359 (or 15490354 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 30206145450 in words is "thirty billion, two hundred six million, one hundred forty-five thousand, four hundred fifty".