30705154 has 8 divisors (see below), whose sum is σ = 46095228. Its totient is φ = 15340080.

The previous prime is 30705149. The next prime is 30705163. The reversal of 30705154 is 45150703.

It can be written as a sum of positive squares in 2 ways, for example, as 28869129 + 1836025 = 5373^2 + 1355^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2797 + ... + 8320.

Almost surely, 2^30705154 is an apocalyptic number.

30705154 is a deficient number, since it is larger than the sum of its proper divisors (15390074).

30705154 is a wasteful number, since it uses less digits than its factorization.

30705154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12500.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 30705154 is about 5541.2231501718. The cubic root of 30705154 is about 313.1389516667.

Adding to 30705154 its reverse (45150703), we get a palindrome (75855857).

The spelling of 30705154 in words is "thirty million, seven hundred five thousand, one hundred fifty-four".