144542645401 has 32 divisors (see below), whose sum is σ = 192698922240. Its totient is φ = 104955648000.

The previous prime is 144542645393. The next prime is 144542645419. The reversal of 144542645401 is 104546245441.

It is not a de Polignac number, because 144542645401 - 2³ = 144542645393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144542645491) 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, 414436 + ... + 678853.

It is an arithmetic number, because the mean of its divisors is an integer number (6021841320).

Almost surely, 2^144542645401 is an apocalyptic number.

144542645401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144542645401 is a deficient number, since it is larger than the sum of its proper divisors (48156276839).

144542645401 is a wasteful number, since it uses less digits than its factorization.

144542645401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093425.

The product of its (nonzero) digits is 307200, while the sum is 40.

The spelling of 144542645401 in words is "one hundred forty-four billion, five hundred forty-two million, six hundred forty-five thousand, four hundred one".