147252506 has 8 divisors (see below), whose sum is σ = 220946880. Its totient is φ = 73603548.

The previous prime is 147252503. The next prime is 147252571. The reversal of 147252506 is 605252741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (147252503) 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 in 3 ways as a sum of consecutive naturals, for example, 1556 + ... + 17231.

It is an arithmetic number, because the mean of its divisors is an integer number (27618360).

Almost surely, 2^147252506 is an apocalyptic number.

147252506 is a deficient number, since it is larger than the sum of its proper divisors (73694374).

147252506 is a wasteful number, since it uses less digits than its factorization.

147252506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22708.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 147252506 is about 12134.7643570034. The cubic root of 147252506 is about 528.0652204596.

The spelling of 147252506 in words is "one hundred forty-seven million, two hundred fifty-two thousand, five hundred six".