145680378 has 32 divisors (see below), whose sum is σ = 313118784. Its totient is φ = 45019392.

The previous prime is 145680371. The next prime is 145680389. The reversal of 145680378 is 873086541.

It is not an unprimeable number, because it can be changed into a prime (145680371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3825 + ... + 17492.

It is an arithmetic number, because the mean of its divisors is an integer number (9784962).

Almost surely, 2^145680378 is an apocalyptic number.

145680378 is an abundant number, since it is smaller than the sum of its proper divisors (167438406).

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

145680378 is a wasteful number, since it uses less digits than its factorization.

145680378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21406.

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

The square root of 145680378 is about 12069.8126746027. The cubic root of 145680378 is about 526.1792124043.

The spelling of 145680378 in words is "one hundred forty-five million, six hundred eighty thousand, three hundred seventy-eight".