1445124345 has 64 divisors (see below), whose sum is σ = 2682408960. Its totient is φ = 650734848.

The previous prime is 1445124337. The next prime is 1445124353. The reversal of 1445124345 is 5434215441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1445124337) and next prime (1445124353).

It is not a de Polignac number, because 1445124345 - 2³ = 1445124337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3291636 + ... + 3292074.

It is an arithmetic number, because the mean of its divisors is an integer number (41912640).

Almost surely, 2^1445124345 is an apocalyptic number.

1445124345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1445124345 is a deficient number, since it is larger than the sum of its proper divisors (1237284615).

1445124345 is a wasteful number, since it uses less digits than its factorization.

1445124345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854.

The product of its digits is 38400, while the sum is 33.

The square root of 1445124345 is about 38014.7911345045. The cubic root of 1445124345 is about 1130.5811470208.

Adding to 1445124345 its reverse (5434215441), we get a palindrome (6879339786).

The spelling of 1445124345 in words is "one billion, four hundred forty-five million, one hundred twenty-four thousand, three hundred forty-five".