144520290346 has 8 divisors (see below), whose sum is σ = 217807831584. Its totient is φ = 71917679820.

The previous prime is 144520290331. The next prime is 144520290347. The reversal of 144520290346 is 643092025441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×144520290346² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144520290299 and 144520290308.

It is not an unprimeable number, because it can be changed into a prime (144520290347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171232150 + ... + 171232993.

It is an arithmetic number, because the mean of its divisors is an integer number (27225978948).

Almost surely, 2^144520290346 is an apocalyptic number.

144520290346 is a deficient number, since it is larger than the sum of its proper divisors (73287541238).

144520290346 is a wasteful number, since it uses less digits than its factorization.

144520290346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342465356.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 144520290346 in words is "one hundred forty-four billion, five hundred twenty million, two hundred ninety thousand, three hundred forty-six".