144955240 has 16 divisors (see below), whose sum is σ = 326149380. Its totient is φ = 57982080.

The previous prime is 144955231. The next prime is 144955241. The reversal of 144955240 is 42559441.

144955240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 133217764 + 11737476 = 11542^2 + 3426^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144955196 and 144955205.

It is not an unprimeable number, because it can be changed into a prime (144955241) 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, 1811901 + ... + 1811980.

Almost surely, 2^144955240 is an apocalyptic number.

144955240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144955240 is an abundant number, since it is smaller than the sum of its proper divisors (181194140).

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

144955240 is a wasteful number, since it uses less digits than its factorization.

144955240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3623892 (or 3623888 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 144955240 is about 12039.7358775016. The cubic root of 144955240 is about 525.3047240784.

The spelling of 144955240 in words is "one hundred forty-four million, nine hundred fifty-five thousand, two hundred forty".