345663550 has 48 divisors (see below), whose sum is σ = 710392032. Its totient is φ = 124467200.

The previous prime is 345663529. The next prime is 345663551. The reversal of 345663550 is 55366543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345663551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10710 + ... + 28390.

It is an arithmetic number, because the mean of its divisors is an integer number (14799834).

Almost surely, 2^345663550 is an apocalyptic number.

345663550 is an abundant number, since it is smaller than the sum of its proper divisors (364728482).

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

345663550 is a wasteful number, since it uses less digits than its factorization.

345663550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17733 (or 17728 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 37.

The square root of 345663550 is about 18592.0292060872. The cubic root of 345663550 is about 701.8072687310.

The spelling of 345663550 in words is "three hundred forty-five million, six hundred sixty-three thousand, five hundred fifty".