30090453156 has 135 divisors (see below), whose sum is σ = 82427916571. Its totient is φ = 9571160016.

The previous prime is 30090453143. The next prime is 30090453161. The reversal of 30090453156 is 65135409003.

The square root of 30090453156 is 173466.

It is a perfect power (a square), and thus also a powerful number.

30090453156 is a `hidden beast` number, since 30 + 0 + 90 + 4 + 531 + 5 + 6 = 666.

It is a super-2 number, since 2×30090453156² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30090453156.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 71814715 + ... + 71815133.

Almost surely, 2^30090453156 is an apocalyptic number.

30090453156 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

30090453156 is the 173466-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30090453156

30090453156 is an abundant number, since it is smaller than the sum of its proper divisors (52337463415).

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

30090453156 is an equidigital number, since it uses as much as digits as its factorization.

30090453156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

Multiplying 30090453156 by its sum of digits (36), we get a square (1083256313616 = 1040796²).

30090453156 divided by its sum of digits (36) gives a square (835845921 = 28911²).

The spelling of 30090453156 in words is "thirty billion, ninety million, four hundred fifty-three thousand, one hundred fifty-six".