149417111 has 4 divisors (see below), whose sum is σ = 149450112. Its totient is φ = 149384112.

The previous prime is 149417101. The next prime is 149417113. The reversal of 149417111 is 111714941.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149417111 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 (149417113) 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, 8375 + ... + 19208.

It is an arithmetic number, because the mean of its divisors is an integer number (37362528).

Almost surely, 2^149417111 is an apocalyptic number.

149417111 is a deficient number, since it is larger than the sum of its proper divisors (33001).

149417111 is an equidigital number, since it uses as much as digits as its factorization.

149417111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33000.

The product of its digits is 1008, while the sum is 29.

The square root of 149417111 is about 12223.6292073999. The cubic root of 149417111 is about 530.6401556389.

The spelling of 149417111 in words is "one hundred forty-nine million, four hundred seventeen thousand, one hundred eleven".