149437185 has 16 divisors (see below), whose sum is σ = 251684160. Its totient is φ = 75504960.

The previous prime is 149437181. The next prime is 149437193. The reversal of 149437185 is 581734941.

It is a happy number.

It is not a de Polignac number, because 149437185 - 2² = 149437181 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149437181) 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 15 ways as a sum of consecutive naturals, for example, 261886 + ... + 262455.

It is an arithmetic number, because the mean of its divisors is an integer number (15730260).

Almost surely, 2^149437185 is an apocalyptic number.

149437185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149437185 is a deficient number, since it is larger than the sum of its proper divisors (102246975).

149437185 is a wasteful number, since it uses less digits than its factorization.

149437185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524368.

The product of its digits is 120960, while the sum is 42.

The square root of 149437185 is about 12224.4502943895. The cubic root of 149437185 is about 530.6639181861.

The spelling of 149437185 in words is "one hundred forty-nine million, four hundred thirty-seven thousand, one hundred eighty-five".