1445480 has 16 divisors (see below), whose sum is σ = 3252420. Its totient is φ = 578176.

The previous prime is 1445467. The next prime is 1445497. The reversal of 1445480 is 845441.

1445480 = T₃₃₅ + T₃₃₆ + ... + T₃₅₈.

It can be written as a sum of positive squares in 2 ways, for example, as 1444804 + 676 = 1202^2 + 26^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18029 + ... + 18108.

2^1445480 is an apocalyptic number.

1445480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445480 is an abundant number, since it is smaller than the sum of its proper divisors (1806940).

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

1445480 is a wasteful number, since it uses less digits than its factorization.

1445480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36148 (or 36144 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 1445480 is about 1202.2811651190. The cubic root of 1445480 is about 113.0673887335.

The spelling of 1445480 in words is "one million, four hundred forty-five thousand, four hundred eighty".