1445130 has 24 divisors (see below), whose sum is σ = 3757572. Its totient is φ = 385344.

The previous prime is 1445117. The next prime is 1445137. The reversal of 1445130 is 315441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1432809 + 12321 = 1197^2 + 111^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1445137) 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, 7939 + ... + 8118.

2^1445130 is an apocalyptic number.

1445130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1445130 is an abundant number, since it is smaller than the sum of its proper divisors (2312442).

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

1445130 is a wasteful number, since it uses less digits than its factorization.

1445130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16070 (or 16067 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1445130 is about 1202.1355996725. The cubic root of 1445130 is about 113.0582621733.

It can be divided in two parts, 144 and 5130, that multiplied together give a triangular number (738720 = T₁₂₁₅).

The spelling of 1445130 in words is "one million, four hundred forty-five thousand, one hundred thirty".