1445401001 has 16 divisors (see below), whose sum is σ = 1622524608. Its totient is φ = 1276392000.

The previous prime is 1445400997. The next prime is 1445401049. The reversal of 1445401001 is 1001045441.

It is a cyclic number.

It is not a de Polignac number, because 1445401001 - 2² = 1445400997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445401901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46610 + ... + 71156.

It is an arithmetic number, because the mean of its divisors is an integer number (101407788).

Almost surely, 2^1445401001 is an apocalyptic number.

1445401001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1445401001 is a deficient number, since it is larger than the sum of its proper divisors (177123607).

1445401001 is a wasteful number, since it uses less digits than its factorization.

1445401001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24712.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1445401001 is about 38018.4297545283. The cubic root of 1445401001 is about 1130.6532889329.

Adding to 1445401001 its reverse (1001045441), we get a palindrome (2446446442).

It can be divided in two parts, 144540 and 1001, that added together give a palindrome (145541).

The spelling of 1445401001 in words is "one billion, four hundred forty-five million, four hundred one thousand, one".