149366205 has 12 divisors (see below), whose sum is σ = 258901500. Its totient is φ = 79661952.

The previous prime is 149366183. The next prime is 149366221. The reversal of 149366205 is 502663941.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 66683556 + 82682649 = 8166^2 + 9093^2 .

It is not a de Polignac number, because 149366205 - 2²¹ = 147269053 is a prime.

It is a super-2 number, since 2×149366205² = 44620526392204050, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 149366205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1659580 + ... + 1659669.

It is an arithmetic number, because the mean of its divisors is an integer number (21575125).

Almost surely, 2^149366205 is an apocalyptic number.

149366205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149366205 is a deficient number, since it is larger than the sum of its proper divisors (109535295).

149366205 is a wasteful number, since it uses less digits than its factorization.

149366205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3319260 (or 3319257 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 149366205 is about 12221.5467515368. The cubic root of 149366205 is about 530.5798862452.

The spelling of 149366205 in words is "one hundred forty-nine million, three hundred sixty-six thousand, two hundred five".