149730999 has 16 divisors (see below), whose sum is σ = 219386880. Its totient is φ = 90080960.

The previous prime is 149730953. The next prime is 149731009. The reversal of 149730999 is 999037941.

It is a cyclic number.

It is not a de Polignac number, because 149730999 - 2⁹ = 149730487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149730929) 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, 12039 + ... + 21080.

It is an arithmetic number, because the mean of its divisors is an integer number (13711680).

Almost surely, 2^149730999 is an apocalyptic number.

149730999 is a deficient number, since it is larger than the sum of its proper divisors (69655881).

149730999 is a wasteful number, since it uses less digits than its factorization.

149730999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33270.

The product of its (nonzero) digits is 551124, while the sum is 51.

The square root of 149730999 is about 12236.4618660788. The cubic root of 149730999 is about 531.0114765165.

The spelling of 149730999 in words is "one hundred forty-nine million, seven hundred thirty thousand, nine hundred ninety-nine".