144540578 has 16 divisors (see below), whose sum is σ = 266844480. Its totient is φ = 57180816.

The previous prime is 144540577. The next prime is 144540589. The reversal of 144540578 is 875045441.

144540578 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (144540577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396908 + ... + 397271.

It is an arithmetic number, because the mean of its divisors is an integer number (16677780).

Almost surely, 2^144540578 is an apocalyptic number.

144540578 is a deficient number, since it is larger than the sum of its proper divisors (122303902).

144540578 is a wasteful number, since it uses less digits than its factorization.

144540578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794201.

The product of its (nonzero) digits is 89600, while the sum is 38.

The square root of 144540578 is about 12022.5029839880. The cubic root of 144540578 is about 524.8033464529.

The spelling of 144540578 in words is "one hundred forty-four million, five hundred forty thousand, five hundred seventy-eight".