149424851 has 2 divisors, whose sum is σ = 149424852. Its totient is φ = 149424850.

The previous prime is 149424829. The next prime is 149424853. The reversal of 149424851 is 158424941.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149424851 is a prime.

Together with 149424853, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149424853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74712425 + 74712426.

It is an arithmetic number, because the mean of its divisors is an integer number (74712426).

Almost surely, 2^149424851 is an apocalyptic number.

149424851 is a deficient number, since it is larger than the sum of its proper divisors (1).

149424851 is an equidigital number, since it uses as much as digits as its factorization.

149424851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 38.

The square root of 149424851 is about 12223.9458032176. The cubic root of 149424851 is about 530.6493180966.

The spelling of 149424851 in words is "one hundred forty-nine million, four hundred twenty-four thousand, eight hundred fifty-one".