1373015445 has 8 divisors (see below), whose sum is σ = 2196824736. Its totient is φ = 732274896.

The previous prime is 1373015417. The next prime is 1373015461. The reversal of 1373015445 is 5445103731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1373015445 - 2⁶ = 1373015381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45767167 + ... + 45767196.

It is an arithmetic number, because the mean of its divisors is an integer number (274603092).

Almost surely, 2^1373015445 is an apocalyptic number.

1373015445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1373015445 is a deficient number, since it is larger than the sum of its proper divisors (823809291).

1373015445 is an equidigital number, since it uses as much as digits as its factorization.

1373015445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91534371.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 1373015445 is about 37054.2230386767. The cubic root of 1373015445 is about 1111.4548045671.

The spelling of 1373015445 in words is "one billion, three hundred seventy-three million, fifteen thousand, four hundred forty-five".