30155414 has 16 divisors (see below), whose sum is σ = 45904320. Its totient is φ = 14855880.

The previous prime is 30155401. The next prime is 30155417. The reversal of 30155414 is 41455103.

It is a super-2 number, since 2×30155414² = 1818697987022792, 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 30155414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30155417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46577 + ... + 47219.

It is an arithmetic number, because the mean of its divisors is an integer number (2869020).

Almost surely, 2^30155414 is an apocalyptic number.

30155414 is a deficient number, since it is larger than the sum of its proper divisors (15748906).

30155414 is a wasteful number, since it uses less digits than its factorization.

30155414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 30155414 is about 5491.3945405516. The cubic root of 30155414 is about 311.2588905166.

The spelling of 30155414 in words is "thirty million, one hundred fifty-five thousand, four hundred fourteen".