30148069 has 4 divisors (see below), whose sum is σ = 34454944. Its totient is φ = 25841196.

The previous prime is 30148067. The next prime is 30148093. The reversal of 30148069 is 96084103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30148069 - 2¹ = 30148067 is a prime.

It is a super-2 number, since 2×30148069² = 1817812128857522, which contains 22 as substring.

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 30148069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30148067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2153427 + ... + 2153440.

It is an arithmetic number, because the mean of its divisors is an integer number (8613736).

Almost surely, 2^30148069 is an apocalyptic number.

It is an amenable number.

30148069 is a deficient number, since it is larger than the sum of its proper divisors (4306875).

30148069 is an equidigital number, since it uses as much as digits as its factorization.

30148069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4306874.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 30148069 is about 5490.7257261677. The cubic root of 30148069 is about 311.2336171976.

The spelling of 30148069 in words is "thirty million, one hundred forty-eight thousand, sixty-nine".