345033432 has 80 divisors (see below), whose sum is σ = 969064800. Its totient is φ = 114696000.

The previous prime is 345033431. The next prime is 345033461. The reversal of 345033432 is 234330543.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 345033396 and 345033405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345033431) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 459057 + ... + 459807.

It is an arithmetic number, because the mean of its divisors is an integer number (12113310).

Almost surely, 2^345033432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345033432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484532400).

345033432 is an abundant number, since it is smaller than the sum of its proper divisors (624031368).

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

345033432 is a wasteful number, since it uses less digits than its factorization.

345033432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478 (or 1465 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 27.

The square root of 345033432 is about 18575.0755583928. The cubic root of 345033432 is about 701.3805624951.

Adding to 345033432 its reverse (234330543), we get a palindrome (579363975).

The spelling of 345033432 in words is "three hundred forty-five million, thirty-three thousand, four hundred thirty-two".