345133733 has 4 divisors (see below), whose sum is σ = 394438560. Its totient is φ = 295828908.

The previous prime is 345133729. The next prime is 345133759. The reversal of 345133733 is 337331543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 337331543 = 1753 ⋅192431.

It is a cyclic number.

It is not a de Polignac number, because 345133733 - 2² = 345133729 is a prime.

It is a super-3 number, since 3×345133733³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345133733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345133793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24652403 + ... + 24652416.

It is an arithmetic number, because the mean of its divisors is an integer number (98609640).

Almost surely, 2^345133733 is an apocalyptic number.

It is an amenable number.

345133733 is a deficient number, since it is larger than the sum of its proper divisors (49304827).

345133733 is an equidigital number, since it uses as much as digits as its factorization.

345133733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49304826.

The product of its digits is 34020, while the sum is 32.

The square root of 345133733 is about 18577.7752435538. The cubic root of 345133733 is about 701.4485195388.

The spelling of 345133733 in words is "three hundred forty-five million, one hundred thirty-three thousand, seven hundred thirty-three".