149946743 has 2 divisors, whose sum is σ = 149946744. Its totient is φ = 149946742.

The previous prime is 149946691. The next prime is 149946751. The reversal of 149946743 is 347649941.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149946743 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149946773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74973371 + 74973372.

It is an arithmetic number, because the mean of its divisors is an integer number (74973372).

Almost surely, 2^149946743 is an apocalyptic number.

149946743 is a deficient number, since it is larger than the sum of its proper divisors (1).

149946743 is an equidigital number, since it uses as much as digits as its factorization.

149946743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 47.

The square root of 149946743 is about 12245.2743129748. The cubic root of 149946743 is about 531.2663949173.

The spelling of 149946743 in words is "one hundred forty-nine million, nine hundred forty-six thousand, seven hundred forty-three".