149228351 has 2 divisors, whose sum is σ = 149228352. Its totient is φ = 149228350.

The previous prime is 149228333. The next prime is 149228377. The reversal of 149228351 is 153822941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149228351 - 2²² = 145034047 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 (149228311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74614175 + 74614176.

It is an arithmetic number, because the mean of its divisors is an integer number (74614176).

Almost surely, 2^149228351 is an apocalyptic number.

149228351 is a deficient number, since it is larger than the sum of its proper divisors (1).

149228351 is an equidigital number, since it uses as much as digits as its factorization.

149228351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The square root of 149228351 is about 12215.9056561517. The cubic root of 149228351 is about 530.4166072917.

The spelling of 149228351 in words is "one hundred forty-nine million, two hundred twenty-eight thousand, three hundred fifty-one".