149743511 has 2 divisors, whose sum is σ = 149743512. Its totient is φ = 149743510.

The previous prime is 149743483. The next prime is 149743519. The reversal of 149743511 is 115347941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149743511 - 2¹⁰ = 149742487 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149743519) 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, 74871755 + 74871756.

It is an arithmetic number, because the mean of its divisors is an integer number (74871756).

Almost surely, 2^149743511 is an apocalyptic number.

149743511 is a deficient number, since it is larger than the sum of its proper divisors (1).

149743511 is an equidigital number, since it uses as much as digits as its factorization.

149743511 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 149743511 is about 12236.9731142959. The cubic root of 149743511 is about 531.0262671089.

The spelling of 149743511 in words is "one hundred forty-nine million, seven hundred forty-three thousand, five hundred eleven".