149290183 has 16 divisors (see below), whose sum is σ = 173602816. Its totient is φ = 125737920.

The previous prime is 149290159. The next prime is 149290187. The reversal of 149290183 is 381092941.

It is not a de Polignac number, because 149290183 - 2¹³ = 149281991 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149290187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236278 + ... + 236908.

It is an arithmetic number, because the mean of its divisors is an integer number (10850176).

Almost surely, 2^149290183 is an apocalyptic number.

149290183 is a deficient number, since it is larger than the sum of its proper divisors (24312633).

149290183 is an equidigital number, since it uses as much as digits as its factorization.

149290183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 149290183 is about 12218.4361929013. The cubic root of 149290183 is about 530.4898556406.

The spelling of 149290183 in words is "one hundred forty-nine million, two hundred ninety thousand, one hundred eighty-three".