1445431032 has 48 divisors (see below), whose sum is σ = 3923632440. Its totient is φ = 480712128.

The previous prime is 1445430983. The next prime is 1445431037. The reversal of 1445431032 is 2301345441.

It is a happy number.

1445431032 is a `hidden beast` number, since 14 + 4 + 543 + 103 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1445430987 and 1445431005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445431037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9238 + ... + 54554.

Almost surely, 2^1445431032 is an apocalyptic number.

1445431032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1445431032 is an abundant number, since it is smaller than the sum of its proper divisors (2478201408).

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

1445431032 is a wasteful number, since it uses less digits than its factorization.

1445431032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45772 (or 45765 counting only the distinct ones).

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

The square root of 1445431032 is about 38018.8247056639. The cubic root of 1445431032 is about 1130.6611193813.

Adding to 1445431032 its reverse (2301345441), we get a palindrome (3746776473).

The spelling of 1445431032 in words is "one billion, four hundred forty-five million, four hundred thirty-one thousand, thirty-two".