149289306 has 8 divisors (see below), whose sum is σ = 298578624. Its totient is φ = 49763100.

The previous prime is 149289299. The next prime is 149289319. The reversal of 149289306 is 603982941.

It is a sphenic number, since it is the product of 3 distinct primes.

149289306 is an admirable number.

It is a Curzon 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, 12440770 + ... + 12440781.

It is an arithmetic number, because the mean of its divisors is an integer number (37322328).

Almost surely, 2^149289306 is an apocalyptic number.

149289306 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149289306 is a wasteful number, since it uses less digits than its factorization.

149289306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24881556.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 149289306 is about 12218.4003044588. The cubic root of 149289306 is about 530.4888168572.

The spelling of 149289306 in words is "one hundred forty-nine million, two hundred eighty-nine thousand, three hundred six".