149604506 has 4 divisors (see below), whose sum is σ = 224406762. Its totient is φ = 74802252.

The previous prime is 149604503. The next prime is 149604527. The reversal of 149604506 is 605406941.

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., 147015625 + 2588881 = 12125^2 + 1609^2 .

It is not an unprimeable number, because it can be changed into a prime (149604503) 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, 37401125 + ... + 37401128.

Almost surely, 2^149604506 is an apocalyptic number.

149604506 is a deficient number, since it is larger than the sum of its proper divisors (74802256).

149604506 is an equidigital number, since it uses as much as digits as its factorization.

149604506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74802255.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 149604506 is about 12231.2920821964. The cubic root of 149604506 is about 530.8619012583.

The spelling of 149604506 in words is "one hundred forty-nine million, six hundred four thousand, five hundred six".