30146356 has 6 divisors (see below), whose sum is σ = 52756130. Its totient is φ = 15073176.

The previous prime is 30146351. The next prime is 30146377. The reversal of 30146356 is 65364103.

It can be written as a sum of positive squares in only one way, i.e., 28090000 + 2056356 = 5300^2 + 1434^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30146351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3768291 + ... + 3768298.

Almost surely, 2^30146356 is an apocalyptic number.

It is an amenable number.

30146356 is a deficient number, since it is larger than the sum of its proper divisors (22609774).

30146356 is a wasteful number, since it uses less digits than its factorization.

30146356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7536593 (or 7536591 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 30146356 is about 5490.5697336433. The cubic root of 30146356 is about 311.2277223670.

The spelling of 30146356 in words is "thirty million, one hundred forty-six thousand, three hundred fifty-six".