30161154 has 16 divisors (see below), whose sum is σ = 61345440. Its totient is φ = 9883200.

The previous prime is 30161143. The next prime is 30161167. The reversal of 30161154 is 45116103.

It is a super-2 number, since 2×30161154² = 1819390421223432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30161154.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42247 + ... + 42954.

It is an arithmetic number, because the mean of its divisors is an integer number (3834090).

Almost surely, 2^30161154 is an apocalyptic number.

30161154 is an abundant number, since it is smaller than the sum of its proper divisors (31184286).

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

30161154 is a wasteful number, since it uses less digits than its factorization.

30161154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85265.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 30161154 is about 5491.9171515965. The cubic root of 30161154 is about 311.2786383545.

Adding to 30161154 its reverse (45116103), we get a palindrome (75277257).

The spelling of 30161154 in words is "thirty million, one hundred sixty-one thousand, one hundred fifty-four".