147370906 has 4 divisors (see below), whose sum is σ = 221056362. Its totient is φ = 73685452.

The previous prime is 147370903. The next prime is 147370907. The reversal of 147370906 is 609073741.

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., 123409881 + 23961025 = 11109^2 + 4895^2 .

It is not an unprimeable number, because it can be changed into a prime (147370903) 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, 36842725 + ... + 36842728.

Almost surely, 2^147370906 is an apocalyptic number.

147370906 is a deficient number, since it is larger than the sum of its proper divisors (73685456).

147370906 is an equidigital number, since it uses as much as digits as its factorization.

147370906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73685455.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 147370906 is about 12139.6419222315. The cubic root of 147370906 is about 528.2067147628.

The spelling of 147370906 in words is "one hundred forty-seven million, three hundred seventy thousand, nine hundred six".