345303542 has 4 divisors (see below), whose sum is σ = 517955316. Its totient is φ = 172651770.

The previous prime is 345303481. The next prime is 345303559. The reversal of 345303542 is 245303543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245303543 = 503 ⋅487681.

It is a super-2 number, since 2×345303542² = 238469072235491528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86325884 + ... + 86325887.

It is an arithmetic number, because the mean of its divisors is an integer number (129488829).

Almost surely, 2^345303542 is an apocalyptic number.

345303542 is a deficient number, since it is larger than the sum of its proper divisors (172651774).

345303542 is a wasteful number, since it uses less digits than its factorization.

345303542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172651773.

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 345303542 is about 18582.3449004694. The cubic root of 345303542 is about 701.5635404045.

Subtracting from 345303542 its reverse (245303543), we obtain a palindrome (99999999).

The spelling of 345303542 in words is "three hundred forty-five million, three hundred three thousand, five hundred forty-two".