345135553 has 8 divisors (see below), whose sum is σ = 395061120. Its totient is φ = 295365120.

The previous prime is 345135509. The next prime is 345135563. The reversal of 345135553 is 355531543.

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

It is a cyclic number.

It is not a de Polignac number, because 345135553 - 2⁹ = 345135041 is a prime.

It is a super-3 number, since 3×345135553³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (345135563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33973 + ... + 42946.

It is an arithmetic number, because the mean of its divisors is an integer number (49382640).

Almost surely, 2^345135553 is an apocalyptic number.

It is an amenable number.

345135553 is a deficient number, since it is larger than the sum of its proper divisors (49925567).

345135553 is an equidigital number, since it uses as much as digits as its factorization.

345135553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77567.

The product of its digits is 67500, while the sum is 34.

The square root of 345135553 is about 18577.8242267495. The cubic root of 345135553 is about 701.4497525238.

The spelling of 345135553 in words is "three hundred forty-five million, one hundred thirty-five thousand, five hundred fifty-three".