1445461325 has 48 divisors (see below), whose sum is σ = 2240106624. Its totient is φ = 898867200.

The previous prime is 1445461321. The next prime is 1445461331. The reversal of 1445461325 is 5231645441.

It is not a de Polignac number, because 1445461325 - 2² = 1445461321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445461321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1187117 + ... + 1188333.

It is an arithmetic number, because the mean of its divisors is an integer number (46668888).

Almost surely, 2^1445461325 is an apocalyptic number.

It is an amenable number.

1445461325 is a deficient number, since it is larger than the sum of its proper divisors (794645299).

1445461325 is a wasteful number, since it uses less digits than its factorization.

1445461325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862 (or 1857 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 1445461325 is about 38019.2230983222. The cubic root of 1445461325 is about 1130.6690180351.

The spelling of 1445461325 in words is "one billion, four hundred forty-five million, four hundred sixty-one thousand, three hundred twenty-five".