1445444454 has 16 divisors (see below), whose sum is σ = 2894264640. Its totient is φ = 481252200.

The previous prime is 1445444449. The next prime is 1445444467. The reversal of 1445444454 is 4544445441.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135072 + ... + 145379.

It is an arithmetic number, because the mean of its divisors is an integer number (180891540).

Almost surely, 2^1445444454 is an apocalyptic number.

1445444454 is an abundant number, since it is smaller than the sum of its proper divisors (1448820186).

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

1445444454 is a wasteful number, since it uses less digits than its factorization.

1445444454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281315.

The product of its digits is 409600, while the sum is 39.

The square root of 1445444454 is about 38019.0012230727. The cubic root of 1445444454 is about 1130.6646190724.

Adding to 1445444454 its reverse (4544445441), we get a palindrome (5989889895).

The spelling of 1445444454 in words is "one billion, four hundred forty-five million, four hundred forty-four thousand, four hundred fifty-four".