30105150 has 48 divisors (see below), whose sum is σ = 74995200. Its totient is φ = 7992160.

The previous prime is 30105109. The next prime is 30105151. The reversal of 30105150 is 5150103.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30105151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62611 + ... + 63089.

It is an arithmetic number, because the mean of its divisors is an integer number (1562400).

Almost surely, 2^30105150 is an apocalyptic number.

30105150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30105150 is an abundant number, since it is smaller than the sum of its proper divisors (44890050).

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

30105150 is a wasteful number, since it uses less digits than its factorization.

30105150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 30105150 is about 5486.8160165983. The cubic root of 30105150 is about 311.0858556124.

Adding to 30105150 its reverse (5150103), we get a palindrome (35255253).

The spelling of 30105150 in words is "thirty million, one hundred five thousand, one hundred fifty".