149358170 has 32 divisors (see below), whose sum is σ = 290319120. Its totient is φ = 54996480.

The previous prime is 149358161. The next prime is 149358173. The reversal of 149358170 is 71853941.

It can be written as a sum of positive squares in 8 ways, for example, as 29170801 + 120187369 = 5401^2 + 10963^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (149358173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53366 + ... + 56094.

Almost surely, 2^149358170 is an apocalyptic number.

149358170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149358170 is a deficient number, since it is larger than the sum of its proper divisors (140960950).

149358170 is a wasteful number, since it uses less digits than its factorization.

149358170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 149358170 is about 12221.2180244033. The cubic root of 149358170 is about 530.5703720764.

The spelling of 149358170 in words is "one hundred forty-nine million, three hundred fifty-eight thousand, one hundred seventy".