149302471 has 2 divisors, whose sum is σ = 149302472. Its totient is φ = 149302470.

The previous prime is 149302459. The next prime is 149302519. The reversal of 149302471 is 174203941.

149302471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (174203941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149302471 - 2²⁷ = 15084743 is a prime.

It is a super-3 number, since 3×149302471³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149302271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74651235 + 74651236.

It is an arithmetic number, because the mean of its divisors is an integer number (74651236).

Almost surely, 2^149302471 is an apocalyptic number.

149302471 is a deficient number, since it is larger than the sum of its proper divisors (1).

149302471 is an equidigital number, since it uses as much as digits as its factorization.

149302471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 149302471 is about 12218.9390292284. The cubic root of 149302471 is about 530.5044100259.

The spelling of 149302471 in words is "one hundred forty-nine million, three hundred two thousand, four hundred seventy-one".