30148965 has 108 divisors (see below), whose sum is σ = 67410252. Its totient is φ = 12418560.

The previous prime is 30148933. The next prime is 30148967. The reversal of 30148965 is 56984103.

It can be written as a sum of positive squares in 2 ways, for example, as 4322241 + 25826724 = 2079^2 + 5082^2 .

It is not a de Polignac number, because 30148965 - 2⁵ = 30148933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30148967) 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 107 ways as a sum of consecutive naturals, for example, 266749 + ... + 266861.

It is an arithmetic number, because the mean of its divisors is an integer number (624169).

Almost surely, 2^30148965 is an apocalyptic number.

30148965 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30148965 is an abundant number, since it is smaller than the sum of its proper divisors (37261287).

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

30148965 is a wasteful number, since it uses less digits than its factorization.

30148965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 30148965 is about 5490.8073176902. The cubic root of 30148965 is about 311.2367004527.

It can be divided in two parts, 30148 and 965, that added together give a palindrome (31113).

The spelling of 30148965 in words is "thirty million, one hundred forty-eight thousand, nine hundred sixty-five".