1445144330 has 32 divisors (see below), whose sum is σ = 3147745536. Its totient is φ = 466331904.

The previous prime is 1445144321. The next prime is 1445144333. The reversal of 1445144330 is 334415441.

It is a happy number.

It is a super-2 number, since 2×1445144330² = 4176884269062297800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1445144293 and 1445144302.

It is not an unprimeable number, because it can be changed into a prime (1445144333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 606014 + ... + 608393.

It is an arithmetic number, because the mean of its divisors is an integer number (98367048).

Almost surely, 2^1445144330 is an apocalyptic number.

1445144330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1445144330 is an abundant number, since it is smaller than the sum of its proper divisors (1702601206).

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

1445144330 is a wasteful number, since it uses less digits than its factorization.

1445144330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214438.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1445144330 is about 38015.0539918070. The cubic root of 1445144330 is about 1130.5863586969.

Adding to 1445144330 its reverse (334415441), we get a palindrome (1779559771).

The spelling of 1445144330 in words is "one billion, four hundred forty-five million, one hundred forty-four thousand, three hundred thirty".