342015645 has 16 divisors (see below), whose sum is σ = 560572992. Its totient is φ = 177959040.

The previous prime is 342015629. The next prime is 342015649. The reversal of 342015645 is 546510243.

It is not a de Polignac number, because 342015645 - 2⁴ = 342015629 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342015649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277447 + ... + 278676.

It is an arithmetic number, because the mean of its divisors is an integer number (35035812).

Almost surely, 2^342015645 is an apocalyptic number.

It is an amenable number.

342015645 is a deficient number, since it is larger than the sum of its proper divisors (218557347).

342015645 is a wasteful number, since it uses less digits than its factorization.

342015645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556172.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 342015645 is about 18493.6649964251. The cubic root of 342015645 is about 699.3297291488.

Adding to 342015645 its reverse (546510243), we get a palindrome (888525888).

The spelling of 342015645 in words is "three hundred forty-two million, fifteen thousand, six hundred forty-five".