149971468 has 6 divisors (see below), whose sum is σ = 262450076. Its totient is φ = 74985732.

The previous prime is 149971463. The next prime is 149971469. The reversal of 149971468 is 864179941.

It is not an unprimeable number, because it can be changed into a prime (149971463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18746430 + ... + 18746437.

Almost surely, 2^149971468 is an apocalyptic number.

It is an amenable number.

149971468 is a deficient number, since it is larger than the sum of its proper divisors (112478608).

149971468 is a wasteful number, since it uses less digits than its factorization.

149971468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37492871 (or 37492869 counting only the distinct ones).

The product of its digits is 435456, while the sum is 49.

The square root of 149971468 is about 12246.2838444975. The cubic root of 149971468 is about 531.2955938170.

The spelling of 149971468 in words is "one hundred forty-nine million, nine hundred seventy-one thousand, four hundred sixty-eight".