30141506 has 4 divisors (see below), whose sum is σ = 45212262. Its totient is φ = 15070752.

The previous prime is 30141499. The next prime is 30141509. The reversal of 30141506 is 60514103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20475625 + 9665881 = 4525^2 + 3109^2 .

It is not an unprimeable number, because it can be changed into a prime (30141509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7535375 + ... + 7535378.

Almost surely, 2^30141506 is an apocalyptic number.

30141506 is a deficient number, since it is larger than the sum of its proper divisors (15070756).

30141506 is a wasteful number, since it uses less digits than its factorization.

30141506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15070755.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 30141506 is about 5490.1280495085. The cubic root of 30141506 is about 311.2110311798.

Adding to 30141506 its reverse (60514103), we get a palindrome (90655609).

The spelling of 30141506 in words is "thirty million, one hundred forty-one thousand, five hundred six".