1545480 has 112 divisors (see below), whose sum is σ = 5311980. Its totient is φ = 404352.

The previous prime is 1545473. The next prime is 1545493. The reversal of 1545480 is 845451.

1545480 = T₁₁₅ + T₁₁₆ + ... + T₂₂₀.

It can be written as a sum of positive squares in 2 ways, for example, as 1542564 + 2916 = 1242^2 + 54^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 29134 + ... + 29186.

2^1545480 is an apocalyptic number.

1545480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1545480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2655990).

1545480 is an abundant number, since it is smaller than the sum of its proper divisors (3766500).

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

1545480 is an equidigital number, since it uses as much as digits as its factorization.

1545480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 1545480 is about 1243.1733587879. The cubic root of 1545480 is about 115.6168491941.

It can be divided in two parts, 1545 and 480, that added together give a square (2025 = 45²).

The spelling of 1545480 in words is "one million, five hundred forty-five thousand, four hundred eighty".