149350809 has 8 divisors (see below), whose sum is σ = 199204960. Its totient is φ = 99531936.

The previous prime is 149350807. The next prime is 149350813. The reversal of 149350809 is 908053941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149350809 - 2¹ = 149350807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149350807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3534 + ... + 17640.

It is an arithmetic number, because the mean of its divisors is an integer number (24900620).

Almost surely, 2^149350809 is an apocalyptic number.

It is an amenable number.

149350809 is a deficient number, since it is larger than the sum of its proper divisors (49854151).

149350809 is a wasteful number, since it uses less digits than its factorization.

149350809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17639.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 149350809 is about 12220.9168641309. The cubic root of 149350809 is about 530.5616556853.

The spelling of 149350809 in words is "one hundred forty-nine million, three hundred fifty thousand, eight hundred nine".