149107489 has 8 divisors (see below), whose sum is σ = 154812672. Its totient is φ = 143458320.

The previous prime is 149107481. The next prime is 149107501. The reversal of 149107489 is 984701941.

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 149107489 - 2³ = 149107481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149107481) 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, 8539 + ... + 19264.

It is an arithmetic number, because the mean of its divisors is an integer number (19351584).

Almost surely, 2^149107489 is an apocalyptic number.

It is an amenable number.

149107489 is a deficient number, since it is larger than the sum of its proper divisors (5705183).

149107489 is a wasteful number, since it uses less digits than its factorization.

149107489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28007.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 149107489 is about 12210.9577429455. The cubic root of 149107489 is about 530.2733714913.

The spelling of 149107489 in words is "one hundred forty-nine million, one hundred seven thousand, four hundred eighty-nine".