1445403132 has 18 divisors (see below), whose sum is σ = 3653658008. Its totient is φ = 481801032.

The previous prime is 1445403119. The next prime is 1445403133. The reversal of 1445403132 is 2313045441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 1445403096 and 1445403105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445403133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20075008 + ... + 20075079.

Almost surely, 2^1445403132 is an apocalyptic number.

1445403132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1445403132 is an abundant number, since it is smaller than the sum of its proper divisors (2208254876).

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

1445403132 is a wasteful number, since it uses less digits than its factorization.

1445403132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40150097 (or 40150092 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1445403132 is about 38018.4577803992. The cubic root of 1445403132 is about 1130.6538445851.

Adding to 1445403132 its reverse (2313045441), we get a palindrome (3758448573).

The spelling of 1445403132 in words is "one billion, four hundred forty-five million, four hundred three thousand, one hundred thirty-two".