149887311 has 8 divisors (see below), whose sum is σ = 228399744. Its totient is φ = 85649880.

The previous prime is 149887307. The next prime is 149887313. The reversal of 149887311 is 113788941.

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

It is not a de Polignac number, because 149887311 - 2² = 149887307 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149887313) 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, 3568725 + ... + 3568766.

It is an arithmetic number, because the mean of its divisors is an integer number (28549968).

Almost surely, 2^149887311 is an apocalyptic number.

149887311 is a deficient number, since it is larger than the sum of its proper divisors (78512433).

149887311 is an equidigital number, since it uses as much as digits as its factorization.

149887311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7137501.

The product of its digits is 48384, while the sum is 42.

The square root of 149887311 is about 12242.8473403861. The cubic root of 149887311 is about 531.1961957782.

The spelling of 149887311 in words is "one hundred forty-nine million, eight hundred eighty-seven thousand, three hundred eleven".