1445670 has 24 divisors (see below), whose sum is σ = 3758976. Its totient is φ = 385488.

The previous prime is 1445669. The next prime is 1445671. The reversal of 1445670 is 765441.

It is an interprime number because it is at equal distance from previous prime (1445669) and next prime (1445671).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7942 + ... + 8121.

It is an arithmetic number, because the mean of its divisors is an integer number (156624).

2^1445670 is an apocalyptic number.

1445670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1445670 is an abundant number, since it is smaller than the sum of its proper divisors (2313306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1445670 is a wasteful number, since it uses less digits than its factorization.

1445670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16076 (or 16073 counting only the distinct ones).

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

The square root of 1445670 is about 1202.3601789813. The cubic root of 1445670 is about 113.0723425349.

The spelling of 1445670 in words is "one million, four hundred forty-five thousand, six hundred seventy".