122345645 has 8 divisors (see below), whose sum is σ = 149303520. Its totient is φ = 96217360.

The previous prime is 122345627. The next prime is 122345647. The reversal of 122345645 is 546543221.

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

It is not a de Polignac number, because 122345645 - 2⁶ = 122345581 is a prime.

It is a super-3 number, since 3×122345645³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122345647) 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, 207071 + ... + 207660.

It is an arithmetic number, because the mean of its divisors is an integer number (18662940).

Almost surely, 2^122345645 is an apocalyptic number.

It is an amenable number.

122345645 is a deficient number, since it is larger than the sum of its proper divisors (26957875).

122345645 is an equidigital number, since it uses as much as digits as its factorization.

122345645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414795.

The product of its digits is 28800, while the sum is 32.

The square root of 122345645 is about 11060.9965645054. The cubic root of 122345645 is about 496.4355091959.

Adding to 122345645 its reverse (546543221), we get a palindrome (668888866).

The spelling of 122345645 in words is "one hundred twenty-two million, three hundred forty-five thousand, six hundred forty-five".