30144952 has 8 divisors (see below), whose sum is σ = 56521800. Its totient is φ = 15072472.

The previous prime is 30144943. The next prime is 30144953. The reversal of 30144952 is 25944103.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 30144952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30144953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1884052 + ... + 1884067.

It is an arithmetic number, because the mean of its divisors is an integer number (7065225).

Almost surely, 2^30144952 is an apocalyptic number.

It is an amenable number.

30144952 is a deficient number, since it is larger than the sum of its proper divisors (26376848).

30144952 is a wasteful number, since it uses less digits than its factorization.

30144952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768125 (or 3768121 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 30144952 is about 5490.4418765706. The cubic root of 30144952 is about 311.2228907105. Note that the first 3 decimals are identical.

The spelling of 30144952 in words is "thirty million, one hundred forty-four thousand, nine hundred fifty-two".