145671468 has 12 divisors (see below), whose sum is σ = 339900120. Its totient is φ = 48557152.

The previous prime is 145671457. The next prime is 145671469. The reversal of 145671468 is 864176541.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (145671469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6069633 + ... + 6069656.

It is an arithmetic number, because the mean of its divisors is an integer number (28325010).

Almost surely, 2^145671468 is an apocalyptic number.

It is an amenable number.

145671468 is an abundant number, since it is smaller than the sum of its proper divisors (194228652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145671468 is a wasteful number, since it uses less digits than its factorization.

145671468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12139296 (or 12139294 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 145671468 is about 12069.4435662958. The cubic root of 145671468 is about 526.1684849189.

The spelling of 145671468 in words is "one hundred forty-five million, six hundred seventy-one thousand, four hundred sixty-eight".