149924806 has 4 divisors (see below), whose sum is σ = 224887212. Its totient is φ = 74962402.

The previous prime is 149924779. The next prime is 149924881. The reversal of 149924806 is 608429941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 608429941 = 7 ⋅86918563.

It is a congruent number.

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, 37481200 + ... + 37481203.

It is an arithmetic number, because the mean of its divisors is an integer number (56221803).

Almost surely, 2^149924806 is an apocalyptic number.

149924806 is a deficient number, since it is larger than the sum of its proper divisors (74962406).

149924806 is an equidigital number, since it uses as much as digits as its factorization.

149924806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74962405.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 149924806 is about 12244.3785469088. The cubic root of 149924806 is about 531.2404858088.

The spelling of 149924806 in words is "one hundred forty-nine million, nine hundred twenty-four thousand, eight hundred six".