1445073401 has 4 divisors (see below), whose sum is σ = 1491688704. Its totient is φ = 1398458100.

The previous prime is 1445073361. The next prime is 1445073407. The reversal of 1445073401 is 1043705441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1445073401 - 2⁶ = 1445073337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445073407) 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, 23307605 + ... + 23307666.

It is an arithmetic number, because the mean of its divisors is an integer number (372922176).

Almost surely, 2^1445073401 is an apocalyptic number.

It is an amenable number.

1445073401 is a deficient number, since it is larger than the sum of its proper divisors (46615303).

1445073401 is an equidigital number, since it uses as much as digits as its factorization.

1445073401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46615302.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1445073401 is about 38014.1210736221. The cubic root of 1445073401 is about 1130.5678616582.

Adding to 1445073401 its reverse (1043705441), we get a palindrome (2488778842).

The spelling of 1445073401 in words is "one billion, four hundred forty-five million, seventy-three thousand, four hundred one".