149389346 has 16 divisors (see below), whose sum is σ = 226908864. Its totient is φ = 73757424.

The previous prime is 149389327. The next prime is 149389367. The reversal of 149389346 is 643983941.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 149389346.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90440 + ... + 92076.

It is an arithmetic number, because the mean of its divisors is an integer number (14181804).

Almost surely, 2^149389346 is an apocalyptic number.

149389346 is a deficient number, since it is larger than the sum of its proper divisors (77519518).

149389346 is a wasteful number, since it uses less digits than its factorization.

149389346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185.

The product of its digits is 559872, while the sum is 47.

The square root of 149389346 is about 12222.4934444654. The cubic root of 149389346 is about 530.6072853817.

The spelling of 149389346 in words is "one hundred forty-nine million, three hundred eighty-nine thousand, three hundred forty-six".