345521350742 has 8 divisors (see below), whose sum is σ = 520912899936. Its totient is φ = 171883717432.

The previous prime is 345521350721. The next prime is 345521350789. The reversal of 345521350742 is 247053125543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×345521350742³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 345521350742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438478478 + ... + 438479265.

It is an arithmetic number, because the mean of its divisors is an integer number (65114112492).

Almost surely, 2^345521350742 is an apocalyptic number.

345521350742 is a deficient number, since it is larger than the sum of its proper divisors (175391549194).

345521350742 is a wasteful number, since it uses less digits than its factorization.

345521350742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876957942.

The product of its (nonzero) digits is 504000, while the sum is 41.

The spelling of 345521350742 in words is "three hundred forty-five billion, five hundred twenty-one million, three hundred fifty thousand, seven hundred forty-two".