1446157644 has 48 divisors (see below), whose sum is σ = 3429216000. Its totient is φ = 474279616.

The previous prime is 1446157633. The next prime is 1446157651. The reversal of 1446157644 is 4467516441.

It is a junction number, because it is equal to n+sod(n) for n = 1446157596 and 1446157605.

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, 187537 + ... + 195095.

It is an arithmetic number, because the mean of its divisors is an integer number (71442000).

Almost surely, 2^1446157644 is an apocalyptic number.

It is an amenable number.

1446157644 is an abundant number, since it is smaller than the sum of its proper divisors (1983058356).

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

1446157644 is a wasteful number, since it uses less digits than its factorization.

1446157644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7822 (or 7820 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 1446157644 is about 38028.3794553489. The cubic root of 1446157644 is about 1130.8505471469.

The spelling of 1446157644 in words is "one billion, four hundred forty-six million, one hundred fifty-seven thousand, six hundred forty-four".