144506665351554 has 64 divisors (see below), whose sum is σ = 323811618302592. Its totient is φ = 42605983756800.

The previous prime is 144506665351501. The next prime is 144506665351561. The reversal of 144506665351554 is 455153566605441.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 343479294 + ... + 343899750.

It is an arithmetic number, because the mean of its divisors is an integer number (5059556535978).

Almost surely, 2^{144506665351554} is an apocalyptic number.

144506665351554 is an abundant number, since it is smaller than the sum of its proper divisors (179304952951038).

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

144506665351554 is a wasteful number, since it uses less digits than its factorization.

144506665351554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561251.

The product of its (nonzero) digits is 129600000, while the sum is 60.

The spelling of 144506665351554 in words is "one hundred forty-four trillion, five hundred six billion, six hundred sixty-five million, three hundred fifty-one thousand, five hundred fifty-four".