1445100523 has 4 divisors (see below), whose sum is σ = 1455648840. Its totient is φ = 1434552208.

The previous prime is 1445100509. The next prime is 1445100529. The reversal of 1445100523 is 3250015441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3250015441 = 487 ⋅6673543.

It is a de Polignac number, because none of the positive numbers 2^k-1445100523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445100529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5273953 + ... + 5274226.

It is an arithmetic number, because the mean of its divisors is an integer number (363912210).

Almost surely, 2^1445100523 is an apocalyptic number.

1445100523 is a deficient number, since it is larger than the sum of its proper divisors (10548317).

1445100523 is a wasteful number, since it uses less digits than its factorization.

1445100523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10548316.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1445100523 is about 38014.4778078037. The cubic root of 1445100523 is about 1130.5749346714.

Adding to 1445100523 its reverse (3250015441), we get a palindrome (4695115964).

The spelling of 1445100523 in words is "one billion, four hundred forty-five million, one hundred thousand, five hundred twenty-three".