30148532 has 6 divisors (see below), whose sum is σ = 52759938. Its totient is φ = 15074264.

The previous prime is 30148529. The next prime is 30148567. The reversal of 30148532 is 23584103.

It can be written as a sum of positive squares in only one way, i.e., 25847056 + 4301476 = 5084^2 + 2074^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3768563 + ... + 3768570.

It is an arithmetic number, because the mean of its divisors is an integer number (8793323).

Almost surely, 2^30148532 is an apocalyptic number.

It is an amenable number.

30148532 is a deficient number, since it is larger than the sum of its proper divisors (22611406).

30148532 is a wasteful number, since it uses less digits than its factorization.

30148532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7537137 (or 7537135 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 30148532 is about 5490.7678880098. The cubic root of 30148532 is about 311.2352104498.

The spelling of 30148532 in words is "thirty million, one hundred forty-eight thousand, five hundred thirty-two".