1446148749 has 8 divisors (see below), whose sum is σ = 1929344032. Its totient is φ = 963526320.

The previous prime is 1446148747. The next prime is 1446148787. The reversal of 1446148749 is 9478416441.

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

It is not a de Polignac number, because 1446148749 - 2¹ = 1446148747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1446148698 and 1446148707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1446148747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137287 + ... + 147444.

It is an arithmetic number, because the mean of its divisors is an integer number (241168004).

Almost surely, 2^1446148749 is an apocalyptic number.

It is an amenable number.

1446148749 is a deficient number, since it is larger than the sum of its proper divisors (483195283).

1446148749 is a wasteful number, since it uses less digits than its factorization.

1446148749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286427.

The product of its digits is 774144, while the sum is 48.

The square root of 1446148749 is about 38028.2625030384. The cubic root of 1446148749 is about 1130.8482286038.

The spelling of 1446148749 in words is "one billion, four hundred forty-six million, one hundred forty-eight thousand, seven hundred forty-nine".