144651675454 has 32 divisors (see below), whose sum is σ = 261800140896. Its totient is φ = 59052654720.

The previous prime is 144651675439. The next prime is 144651675503. The reversal of 144651675454 is 454576156441.

It is a happy number.

It is a super-2 number, since 2×144651675454² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6824217 + ... + 6845380.

It is an arithmetic number, because the mean of its divisors is an integer number (8181254403).

Almost surely, 2^144651675454 is an apocalyptic number.

144651675454 is a deficient number, since it is larger than the sum of its proper divisors (117148465442).

144651675454 is a wasteful number, since it uses less digits than its factorization.

144651675454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13669660.

The product of its digits is 8064000, while the sum is 52.

The spelling of 144651675454 in words is "one hundred forty-four billion, six hundred fifty-one million, six hundred seventy-five thousand, four hundred fifty-four".