1445031002 has 4 divisors (see below), whose sum is σ = 2167546506. Its totient is φ = 722515500.

The previous prime is 1445030969. The next prime is 1445031037. The reversal of 1445031002 is 2001305441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2001305441 = 43 ⋅46541987.

It can be written as a sum of positive squares in only one way, i.e., 1444684081 + 346921 = 38009^2 + 589^2 .

It is a super-2 number, since 2×1445031002² = 4176229193482248008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361257749 + ... + 361257752.

Almost surely, 2^1445031002 is an apocalyptic number.

1445031002 is a deficient number, since it is larger than the sum of its proper divisors (722515504).

1445031002 is an equidigital number, since it uses as much as digits as its factorization.

1445031002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722515503.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1445031002 is about 38013.5633951883. The cubic root of 1445031002 is about 1130.5568044539.

Adding to 1445031002 its reverse (2001305441), we get a palindrome (3446336443).

The spelling of 1445031002 in words is "one billion, four hundred forty-five million, thirty-one thousand, two".