1245066045 has 8 divisors (see below), whose sum is σ = 1992105696. Its totient is φ = 664035216.

The previous prime is 1245066037. The next prime is 1245066047. The reversal of 1245066045 is 5406605421.

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

It is not a de Polignac number, because 1245066045 - 2³ = 1245066037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1245065997 and 1245066015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245066047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41502187 + ... + 41502216.

It is an arithmetic number, because the mean of its divisors is an integer number (249013212).

Almost surely, 2^1245066045 is an apocalyptic number.

1245066045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1245066045 is a deficient number, since it is larger than the sum of its proper divisors (747039651).

1245066045 is an equidigital number, since it uses as much as digits as its factorization.

1245066045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83004411.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 1245066045 is about 35285.4934073480. The cubic root of 1245066045 is about 1075.7981582791.

The spelling of 1245066045 in words is "one billion, two hundred forty-five million, sixty-six thousand, forty-five".