149111157 has 16 divisors (see below), whose sum is σ = 216823040. Its totient is φ = 90597312.

The previous prime is 149111153. The next prime is 149111159. The reversal of 149111157 is 751111941.

It is a happy number.

It is not a de Polignac number, because 149111157 - 2² = 149111153 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 (149111153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21118 + ... + 27279.

It is an arithmetic number, because the mean of its divisors is an integer number (13551440).

Almost surely, 2^149111157 is an apocalyptic number.

It is an amenable number.

149111157 is a deficient number, since it is larger than the sum of its proper divisors (67711883).

149111157 is a wasteful number, since it uses less digits than its factorization.

149111157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48492.

The product of its digits is 1260, while the sum is 30.

The square root of 149111157 is about 12211.1079349910. The cubic root of 149111157 is about 530.2777196449.

The spelling of 149111157 in words is "one hundred forty-nine million, one hundred eleven thousand, one hundred fifty-seven".