149884751 has 2 divisors, whose sum is σ = 149884752. Its totient is φ = 149884750.

The previous prime is 149884741. The next prime is 149884753. The reversal of 149884751 is 157488941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149884751 - 2⁶ = 149884687 is a prime.

Together with 149884753, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 149884696 and 149884705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149884753) 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, 74942375 + 74942376.

It is an arithmetic number, because the mean of its divisors is an integer number (74942376).

Almost surely, 2^149884751 is an apocalyptic number.

149884751 is a deficient number, since it is larger than the sum of its proper divisors (1).

149884751 is an equidigital number, since it uses as much as digits as its factorization.

149884751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 47.

The square root of 149884751 is about 12242.7427890975. The cubic root of 149884751 is about 531.1931715729.

The spelling of 149884751 in words is "one hundred forty-nine million, eight hundred eighty-four thousand, seven hundred fifty-one".