149075785 has 4 divisors (see below), whose sum is σ = 178890948. Its totient is φ = 119260624.

The previous prime is 149075777. The next prime is 149075813. The reversal of 149075785 is 587570941.

It is a happy number.

149075785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86918329 + 62157456 = 9323^2 + 7884^2 .

It is a cyclic number.

It is not a de Polignac number, because 149075785 - 2³ = 149075777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14907574 + ... + 14907583.

It is an arithmetic number, because the mean of its divisors is an integer number (44722737).

Almost surely, 2^149075785 is an apocalyptic number.

It is an amenable number.

149075785 is a deficient number, since it is larger than the sum of its proper divisors (29815163).

149075785 is an equidigital number, since it uses as much as digits as its factorization.

149075785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29815162.

The product of its (nonzero) digits is 352800, while the sum is 46.

The square root of 149075785 is about 12209.6594956616. The cubic root of 149075785 is about 530.2357856782.

The spelling of 149075785 in words is "one hundred forty-nine million, seventy-five thousand, seven hundred eighty-five".