149543711 has 2 divisors, whose sum is σ = 149543712. Its totient is φ = 149543710.

The previous prime is 149543689. The next prime is 149543729. The reversal of 149543711 is 117345941.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149543711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149543791) 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 as a sum of consecutive naturals, namely, 74771855 + 74771856.

It is an arithmetic number, because the mean of its divisors is an integer number (74771856).

Almost surely, 2^149543711 is an apocalyptic number.

149543711 is a deficient number, since it is larger than the sum of its proper divisors (1).

149543711 is an equidigital number, since it uses as much as digits as its factorization.

149543711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 35.

The square root of 149543711 is about 12228.8066057159. The cubic root of 149543711 is about 530.7899824754.

The spelling of 149543711 in words is "one hundred forty-nine million, five hundred forty-three thousand, seven hundred eleven".