149647282 has 4 divisors (see below), whose sum is σ = 224470926. Its totient is φ = 74823640.

The previous prime is 149647271. The next prime is 149647297. The reversal of 149647282 is 282746941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 282746941 = 17 ⋅16632173.

It can be written as a sum of positive squares in only one way, i.e., 79941481 + 69705801 = 8941^2 + 8349^2 .

It is an unprimeable number.

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, 37411819 + ... + 37411822.

Almost surely, 2^149647282 is an apocalyptic number.

149647282 is a deficient number, since it is larger than the sum of its proper divisors (74823644).

149647282 is an equidigital number, since it uses as much as digits as its factorization.

149647282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74823643.

The product of its digits is 193536, while the sum is 43.

The square root of 149647282 is about 12233.0405868696. The cubic root of 149647282 is about 530.9124923921.

The spelling of 149647282 in words is "one hundred forty-nine million, six hundred forty-seven thousand, two hundred eighty-two".