1445672275 has 6 divisors (see below), whose sum is σ = 1792633652. Its totient is φ = 1156537800.

The previous prime is 1445672273. The next prime is 1445672279. The reversal of 1445672275 is 5722765441.

It is not a de Polignac number, because 1445672275 - 2¹ = 1445672273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445672273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28913421 + ... + 28913470.

Almost surely, 2^1445672275 is an apocalyptic number.

1445672275 is a deficient number, since it is larger than the sum of its proper divisors (346961377).

1445672275 is an equidigital number, since it uses as much as digits as its factorization.

1445672275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57826901 (or 57826896 counting only the distinct ones).

The product of its digits is 470400, while the sum is 43.

The square root of 1445672275 is about 38021.9972515911. The cubic root of 1445672275 is about 1130.7240184752.

The spelling of 1445672275 in words is "one billion, four hundred forty-five million, six hundred seventy-two thousand, two hundred seventy-five".