145040278 has 8 divisors (see below), whose sum is σ = 218064168. Its totient is φ = 72352224.

The previous prime is 145040267. The next prime is 145040279. The reversal of 145040278 is 872040541.

145040278 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145040279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82876 + ... + 84607.

It is an arithmetic number, because the mean of its divisors is an integer number (27258021).

Almost surely, 2^145040278 is an apocalyptic number.

145040278 is a deficient number, since it is larger than the sum of its proper divisors (73023890).

145040278 is a wasteful number, since it uses less digits than its factorization.

145040278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167918.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 145040278 is about 12043.2669155840. The cubic root of 145040278 is about 525.4074273464.

The spelling of 145040278 in words is "one hundred forty-five million, forty thousand, two hundred seventy-eight".