144364452446 has 32 divisors (see below), whose sum is σ = 228459994560. Its totient is φ = 68327020800.

The previous prime is 144364452413. The next prime is 144364452461. The reversal of 144364452446 is 644254463441.

It is a self number, because there is not a number n which added to its sum of digits gives 144364452446.

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, 1022936 + ... + 1155476.

It is an arithmetic number, because the mean of its divisors is an integer number (7139374830).

Almost surely, 2^144364452446 is an apocalyptic number.

144364452446 is a deficient number, since it is larger than the sum of its proper divisors (84095542114).

144364452446 is a wasteful number, since it uses less digits than its factorization.

144364452446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132980.

The product of its digits is 4423680, while the sum is 47.

The spelling of 144364452446 in words is "one hundred forty-four billion, three hundred sixty-four million, four hundred fifty-two thousand, four hundred forty-six".