30143148 has 24 divisors (see below), whose sum is σ = 80381952. Its totient is φ = 8612304.

The previous prime is 30143137. The next prime is 30143149. The reversal of 30143148 is 84134103.

It is not an unprimeable number, because it can be changed into a prime (30143149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179340 + ... + 179507.

It is an arithmetic number, because the mean of its divisors is an integer number (3349248).

Almost surely, 2^30143148 is an apocalyptic number.

It is an amenable number.

30143148 is an abundant number, since it is smaller than the sum of its proper divisors (50238804).

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

30143148 is a wasteful number, since it uses less digits than its factorization.

30143148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358861 (or 358859 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 30143148 is about 5490.2775886106. The cubic root of 30143148 is about 311.2166822935.

The spelling of 30143148 in words is "thirty million, one hundred forty-three thousand, one hundred forty-eight".