245065623 has 8 divisors (see below), whose sum is σ = 356459136. Its totient is φ = 148524600.

The previous prime is 245065619. The next prime is 245065649. The reversal of 245065623 is 326560542.

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

It is not a de Polignac number, because 245065623 - 2² = 245065619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 7426231 = 245065623 / (2 + 4 + 5 + 0 + 6 + 5 + 6 + 2 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245065603) 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, 3713083 + ... + 3713148.

It is an arithmetic number, because the mean of its divisors is an integer number (44557392).

Almost surely, 2^245065623 is an apocalyptic number.

245065623 is a deficient number, since it is larger than the sum of its proper divisors (111393513).

245065623 is a wasteful number, since it uses less digits than its factorization.

245065623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7426245.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 245065623 is about 15654.5719519890. The cubic root of 245065623 is about 625.7883368486.

The spelling of 245065623 in words is "two hundred forty-five million, sixty-five thousand, six hundred twenty-three".