144451303401554 has 8 divisors (see below), whose sum is σ = 216789048721740. Its totient is φ = 72188287160976.

The previous prime is 144451303401541. The next prime is 144451303401607. The reversal of 144451303401554 is 455104303154441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 140661331565329 + 3789971836225 = 11860073^2 + 1946785^2 .

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

It is a super-2 number, since 2×144451303401554² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18682265069 + ... + 18682272800.

Almost surely, 2^{144451303401554} is an apocalyptic number.

144451303401554 is a deficient number, since it is larger than the sum of its proper divisors (72337745320186).

144451303401554 is a wasteful number, since it uses less digits than its factorization.

144451303401554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37364539804.

The product of its (nonzero) digits is 1152000, while the sum is 44.

Adding to 144451303401554 its reverse (455104303154441), we get a palindrome (599555606555995).

The spelling of 144451303401554 in words is "one hundred forty-four trillion, four hundred fifty-one billion, three hundred three million, four hundred one thousand, five hundred fifty-four".