149505065 has 8 divisors (see below), whose sum is σ = 183782088. Its totient is φ = 116686720.

The previous prime is 149505061. The next prime is 149505071. The reversal of 149505065 is 560505941.

It can be written as a sum of positive squares in 4 ways, for example, as 11888704 + 137616361 = 3448^2 + 11731^2 .

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

It is not a de Polignac number, because 149505065 - 2² = 149505061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149505061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364442 + ... + 364851.

It is an arithmetic number, because the mean of its divisors is an integer number (22972761).

Almost surely, 2^149505065 is an apocalyptic number.

It is an amenable number.

149505065 is a deficient number, since it is larger than the sum of its proper divisors (34277023).

149505065 is an equidigital number, since it uses as much as digits as its factorization.

149505065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729339.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 149505065 is about 12227.2263821359. The cubic root of 149505065 is about 530.7442552054.

The spelling of 149505065 in words is "one hundred forty-nine million, five hundred five thousand, sixty-five".