149684345 has 8 divisors (see below), whose sum is σ = 187430976. Its totient is φ = 114540976.

The previous prime is 149684321. The next prime is 149684347. The reversal of 149684345 is 543486941.

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

It is a cyclic number.

It is not a de Polignac number, because 149684345 - 2¹² = 149680249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149684296 and 149684305.

It is not an unprimeable number, because it can be changed into a prime (149684347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650687 + ... + 650916.

It is an arithmetic number, because the mean of its divisors is an integer number (23428872).

Almost surely, 2^149684345 is an apocalyptic number.

It is an amenable number.

149684345 is a deficient number, since it is larger than the sum of its proper divisors (37746631).

149684345 is a wasteful number, since it uses less digits than its factorization.

149684345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301631.

The product of its digits is 414720, while the sum is 44.

The square root of 149684345 is about 12234.5553658480. Note that the first 3 decimals coincide. The cubic root of 149684345 is about 530.9563189715.

The spelling of 149684345 in words is "one hundred forty-nine million, six hundred eighty-four thousand, three hundred forty-five".