149383487 has 4 divisors (see below), whose sum is σ = 162963816. Its totient is φ = 135803160.

The previous prime is 149383441. The next prime is 149383489. The reversal of 149383487 is 784383941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149383487 - 2⁸ = 149383231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149383489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6790148 + ... + 6790169.

It is an arithmetic number, because the mean of its divisors is an integer number (40740954).

Almost surely, 2^149383487 is an apocalyptic number.

149383487 is a deficient number, since it is larger than the sum of its proper divisors (13580329).

149383487 is a wasteful number, since it uses less digits than its factorization.

149383487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13580328.

The product of its digits is 580608, while the sum is 47.

The square root of 149383487 is about 12222.2537610704. The cubic root of 149383487 is about 530.6003485444.

The spelling of 149383487 in words is "one hundred forty-nine million, three hundred eighty-three thousand, four hundred eighty-seven".