1245044545 has 8 divisors (see below), whose sum is σ = 1504802880. Its totient is φ = 988869360.

The previous prime is 1245044539. The next prime is 1245044551. The reversal of 1245044545 is 5454405421.

It is an interprime number because it is at equal distance from previous prime (1245044539) and next prime (1245044551).

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

It is not a de Polignac number, because 1245044545 - 2⁹ = 1245044033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1245044545.

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, 895021 + ... + 896410.

It is an arithmetic number, because the mean of its divisors is an integer number (188100360).

Almost surely, 2^1245044545 is an apocalyptic number.

It is an amenable number.

1245044545 is a deficient number, since it is larger than the sum of its proper divisors (259758335).

1245044545 is a wasteful number, since it uses less digits than its factorization.

1245044545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791575.

The product of its (nonzero) digits is 64000, while the sum is 34.

The square root of 1245044545 is about 35285.1887482553. The cubic root of 1245044545 is about 1075.7919658918.

Adding to 1245044545 its reverse (5454405421), we get a palindrome (6699449966).

The spelling of 1245044545 in words is "one billion, two hundred forty-five million, forty-four thousand, five hundred forty-five".