1445607 has 16 divisors (see below), whose sum is σ = 2171360. Its totient is φ = 962280.

The previous prime is 1445599. The next prime is 1445657. The reversal of 1445607 is 7065441.

1445607 is a `hidden beast` number, since 14 + 45 + 607 = 666.

It is not a de Polignac number, because 1445607 - 2³ = 1445599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445657) 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, 1857 + ... + 2517.

It is an arithmetic number, because the mean of its divisors is an integer number (135710).

2^1445607 is an apocalyptic number.

1445607 is a deficient number, since it is larger than the sum of its proper divisors (725753).

1445607 is an frugal number, since it uses more digits than its factorization.

1445607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1445607 is about 1202.3339802235. Note that the first 3 decimals coincide. The cubic root of 1445607 is about 113.0707000067.

The spelling of 1445607 in words is "one million, four hundred forty-five thousand, six hundred seven".