345531534 has 32 divisors (see below), whose sum is σ = 697560864. Its totient is φ = 114099840.

The previous prime is 345531533. The next prime is 345531551. The reversal of 345531534 is 435135543.

It is a junction number, because it is equal to n+sod(n) for n = 345531495 and 345531504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345531533) 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, 404652 + ... + 405504.

It is an arithmetic number, because the mean of its divisors is an integer number (21798777).

Almost surely, 2^345531534 is an apocalyptic number.

345531534 is an abundant number, since it is smaller than the sum of its proper divisors (352029330).

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

345531534 is a wasteful number, since it uses less digits than its factorization.

345531534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412.

The product of its digits is 54000, while the sum is 33.

The square root of 345531534 is about 18588.4785283788. The cubic root of 345531534 is about 701.7179124905.

The spelling of 345531534 in words is "three hundred forty-five million, five hundred thirty-one thousand, five hundred thirty-four".