149504471 has 2 divisors, whose sum is σ = 149504472. Its totient is φ = 149504470.

The previous prime is 149504447. The next prime is 149504479. The reversal of 149504471 is 174405941.

149504471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149504471 - 2¹⁰ = 149503447 is a prime.

It is a super-3 number, since 3×149504471³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149504479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74752235 + 74752236.

It is an arithmetic number, because the mean of its divisors is an integer number (74752236).

Almost surely, 2^149504471 is an apocalyptic number.

149504471 is a deficient number, since it is larger than the sum of its proper divisors (1).

149504471 is an equidigital number, since it uses as much as digits as its factorization.

149504471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 149504471 is about 12227.2020920569. The cubic root of 149504471 is about 530.7435523028.

The spelling of 149504471 in words is "one hundred forty-nine million, five hundred four thousand, four hundred seventy-one".