145441668 has 24 divisors (see below), whose sum is σ = 339591168. Its totient is φ = 48448096.

The previous prime is 145441663. The next prime is 145441679. The reversal of 145441668 is 866144541.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (145441661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20605 + ... + 26747.

It is an arithmetic number, because the mean of its divisors is an integer number (14149632).

Almost surely, 2^145441668 is an apocalyptic number.

It is an amenable number.

145441668 is an abundant number, since it is smaller than the sum of its proper divisors (194149500).

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

145441668 is a wasteful number, since it uses less digits than its factorization.

145441668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8123 (or 8121 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 145441668 is about 12059.9199002315. The cubic root of 145441668 is about 525.8916584487.

The spelling of 145441668 in words is "one hundred forty-five million, four hundred forty-one thousand, six hundred sixty-eight".