144750978 has 24 divisors (see below), whose sum is σ = 316736316. Its totient is φ = 47772000.

The previous prime is 144750973. The next prime is 144750979. The reversal of 144750978 is 879057441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 142491969 + 2259009 = 11937^2 + 1503^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144750973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37993 + ... + 41628.

Almost surely, 2^144750978 is an apocalyptic number.

144750978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

144750978 is an abundant number, since it is smaller than the sum of its proper divisors (171985338).

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

144750978 is a wasteful number, since it uses less digits than its factorization.

144750978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79730 (or 79727 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 144750978 is about 12031.2500597403. The cubic root of 144750978 is about 525.0578657306.

It can be divided in two parts, 1447 and 50978, that added together give a palindrome (52425).

The spelling of 144750978 in words is "one hundred forty-four million, seven hundred fifty thousand, nine hundred seventy-eight".