149755699 has 8 divisors (see below), whose sum is σ = 155196288. Its totient is φ = 144353280.

The previous prime is 149755693. The next prime is 149755721. The reversal of 149755699 is 996557941.

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 149755699 - 2⁹ = 149755187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149755693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1432 + ... + 17365.

It is an arithmetic number, because the mean of its divisors is an integer number (19399536).

Almost surely, 2^149755699 is an apocalyptic number.

149755699 is a deficient number, since it is larger than the sum of its proper divisors (5440589).

149755699 is a wasteful number, since it uses less digits than its factorization.

149755699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19085.

The product of its digits is 3061800, while the sum is 55.

The square root of 149755699 is about 12237.4711031324. The cubic root of 149755699 is about 531.0406739047.

The spelling of 149755699 in words is "one hundred forty-nine million, seven hundred fifty-five thousand, six hundred ninety-nine".