345544542 has 56 divisors (see below), whose sum is σ = 888163056. Its totient is φ = 98724096.

The previous prime is 345544513. The next prime is 345544553. The reversal of 345544542 is 245445543.

It is a junction number, because it is equal to n+sod(n) for n = 345544497 and 345544506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 6723 + ... + 27134.

Almost surely, 2^345544542 is an apocalyptic number.

345544542 is an abundant number, since it is smaller than the sum of its proper divisors (542618514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345544542 is an equidigital number, since it uses as much as digits as its factorization.

345544542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33884 (or 33869 counting only the distinct ones).

The product of its digits is 192000, while the sum is 36.

The square root of 345544542 is about 18588.8284192415. The cubic root of 345544542 is about 701.7267180854.

The spelling of 345544542 in words is "three hundred forty-five million, five hundred forty-four thousand, five hundred forty-two".