1446181949 has 4 divisors (see below), whose sum is σ = 1447305180. Its totient is φ = 1445058720.

The previous prime is 1446181943. The next prime is 1446181969. The reversal of 1446181949 is 9491816441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1299602500 + 146579449 = 36050^2 + 12107^2 .

It is a cyclic number.

It is not a de Polignac number, because 1446181949 - 2¹² = 1446177853 is a prime.

It is a super-2 number, since 2×1446181949² = 4182884459226877202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1446181943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559682 + ... + 562259.

It is an arithmetic number, because the mean of its divisors is an integer number (361826295).

Almost surely, 2^1446181949 is an apocalyptic number.

It is an amenable number.

1446181949 is a deficient number, since it is larger than the sum of its proper divisors (1123231).

1446181949 is a wasteful number, since it uses less digits than its factorization.

1446181949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123230.

The product of its digits is 248832, while the sum is 47.

The square root of 1446181949 is about 38028.6990179785. The cubic root of 1446181949 is about 1130.8568823641.

The spelling of 1446181949 in words is "one billion, four hundred forty-six million, one hundred eighty-one thousand, nine hundred forty-nine".