612315545 has 8 divisors (see below), whose sum is σ = 766725696. Its totient is φ = 468554416.

The previous prime is 612315523. The next prime is 612315547. The reversal of 612315545 is 545513216.

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

It is a cyclic number.

It is not a de Polignac number, because 612315545 - 2¹² = 612311449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612315547) 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, 2662127 + ... + 2662356.

It is an arithmetic number, because the mean of its divisors is an integer number (95840712).

Almost surely, 2^612315545 is an apocalyptic number.

It is an amenable number.

612315545 is a deficient number, since it is larger than the sum of its proper divisors (154410151).

612315545 is a wasteful number, since it uses less digits than its factorization.

612315545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5324511.

The product of its digits is 18000, while the sum is 32.

The square root of 612315545 is about 24745.0105071709. The cubic root of 612315545 is about 849.1643667645.

The spelling of 612315545 in words is "six hundred twelve million, three hundred fifteen thousand, five hundred forty-five".