144620654406 has 32 divisors (see below), whose sum is σ = 307475699328. Its totient is φ = 45190416000.

The previous prime is 144620654401. The next prime is 144620654441. The reversal of 144620654406 is 604456026441.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144620654401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2798800 + ... + 2850003.

It is an arithmetic number, because the mean of its divisors is an integer number (9608615604).

Almost surely, 2^144620654406 is an apocalyptic number.

144620654406 is an abundant number, since it is smaller than the sum of its proper divisors (162855044922).

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

144620654406 is a wasteful number, since it uses less digits than its factorization.

144620654406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5649076.

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 144620654406 in words is "one hundred forty-four billion, six hundred twenty million, six hundred fifty-four thousand, four hundred six".