1445047401 has 16 divisors (see below), whose sum is σ = 2205851648. Its totient is φ = 824288400.

The previous prime is 1445047349. The next prime is 1445047403. The reversal of 1445047401 is 1047405441.

It is not a de Polignac number, because 1445047401 - 2¹⁰ = 1445046377 is a prime.

It is a super-2 number, since 2×1445047401² = 4176323982273709602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1445047403) 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, 48265 + ... + 72246.

It is an arithmetic number, because the mean of its divisors is an integer number (137865728).

Almost surely, 2^1445047401 is an apocalyptic number.

It is an amenable number.

1445047401 is a deficient number, since it is larger than the sum of its proper divisors (760804247).

1445047401 is a wasteful number, since it uses less digits than its factorization.

1445047401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121092.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 1445047401 is about 38013.7790939023. The cubic root of 1445047401 is about 1130.5610811628.

The spelling of 1445047401 in words is "one billion, four hundred forty-five million, forty-seven thousand, four hundred one".