144780266268 has 96 divisors (see below), whose sum is σ = 416192528640. Its totient is φ = 43153560000.

The previous prime is 144780266251. The next prime is 144780266269. The reversal of 144780266268 is 862662087441.

It is a happy number.

144780266268 is a `hidden beast` number, since 1 + 4 + 4 + 7 + 8 + 0 + 2 + 6 + 626 + 8 = 666.

It is a super-2 number, since 2×144780266268² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144780266269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 926458 + ... + 1071393.

It is an arithmetic number, because the mean of its divisors is an integer number (4335338840).

Almost surely, 2^144780266268 is an apocalyptic number.

144780266268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

144780266268 is an abundant number, since it is smaller than the sum of its proper divisors (271412262372).

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

144780266268 is a wasteful number, since it uses less digits than its factorization.

144780266268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997936 (or 1997928 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 144780266268 in words is "one hundred forty-four billion, seven hundred eighty million, two hundred sixty-six thousand, two hundred sixty-eight".