149065599 has 16 divisors (see below), whose sum is σ = 207677952. Its totient is φ = 94927008.

The previous prime is 149065589. The next prime is 149065601. The reversal of 149065599 is 995560941.

It is not a de Polignac number, because 149065599 - 2⁹ = 149065087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149065549) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 99097 + ... + 100589.

It is an arithmetic number, because the mean of its divisors is an integer number (12979872).

Almost surely, 2^149065599 is an apocalyptic number.

149065599 is a deficient number, since it is larger than the sum of its proper divisors (58612353).

149065599 is a wasteful number, since it uses less digits than its factorization.

149065599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966.

The product of its (nonzero) digits is 437400, while the sum is 48.

The square root of 149065599 is about 12209.2423597863. The cubic root of 149065599 is about 530.2237088124.

The spelling of 149065599 in words is "one hundred forty-nine million, sixty-five thousand, five hundred ninety-nine".