149802085 has 8 divisors (see below), whose sum is σ = 184621176. Its totient is φ = 116602560.

The previous prime is 149802083. The next prime is 149802097. The reversal of 149802085 is 580208941.

It can be written as a sum of positive squares in 4 ways, for example, as 39929761 + 109872324 = 6319^2 + 10482^2 .

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

It is not a de Polignac number, because 149802085 - 2¹ = 149802083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149802083) 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, 404686 + ... + 405055.

It is an arithmetic number, because the mean of its divisors is an integer number (23077647).

Almost surely, 2^149802085 is an apocalyptic number.

It is an amenable number.

149802085 is a deficient number, since it is larger than the sum of its proper divisors (34819091).

149802085 is an equidigital number, since it uses as much as digits as its factorization.

149802085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809783.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 149802085 is about 12239.3662009109. The cubic root of 149802085 is about 531.0954972158.

The spelling of 149802085 in words is "one hundred forty-nine million, eight hundred two thousand, eighty-five".