1445970 has 32 divisors (see below), whose sum is σ = 3503808. Its totient is φ = 381888.

The previous prime is 1445963. The next prime is 1445971. The reversal of 1445970 is 795441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1445971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4557 + ... + 4863.

It is an arithmetic number, because the mean of its divisors is an integer number (109494).

2^1445970 is an apocalyptic number.

1445970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1445970 is an abundant number, since it is smaller than the sum of its proper divisors (2057838).

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

1445970 is a wasteful number, since it uses less digits than its factorization.

1445970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1445970 is about 1202.4849271405. The cubic root of 1445970 is about 113.0801634430.

It can be divided in two parts, 1445 and 970, that added together give a triangular number (2415 = T₆₉).

The spelling of 1445970 in words is "one million, four hundred forty-five thousand, nine hundred seventy".