144270978 has 32 divisors (see below), whose sum is σ = 294302592. Its totient is φ = 47136000.

The previous prime is 144270953. The next prime is 144270979. The reversal of 144270978 is 879072441.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (144270979) 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 15 ways as a sum of consecutive naturals, for example, 146275 + ... + 147257.

It is an arithmetic number, because the mean of its divisors is an integer number (9196956).

Almost surely, 2^144270978 is an apocalyptic number.

144270978 is an abundant number, since it is smaller than the sum of its proper divisors (150031614).

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

144270978 is a wasteful number, since it uses less digits than its factorization.

144270978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 144270978 is about 12011.2854432821. The cubic root of 144270978 is about 524.4768521135.

The spelling of 144270978 in words is "one hundred forty-four million, two hundred seventy thousand, nine hundred seventy-eight".