345851853 has 4 divisors (see below), whose sum is σ = 461135808. Its totient is φ = 230567900.

The previous prime is 345851837. The next prime is 345851867. The reversal of 345851853 is 358158543.

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: 358158543 = 3 ⋅119386181.

It is a cyclic number.

It is not a de Polignac number, because 345851853 - 2⁴ = 345851837 is a prime.

It is a super-2 number, since 2×345851853² = 239227008447067218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345851833) 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, 57641973 + ... + 57641978.

It is an arithmetic number, because the mean of its divisors is an integer number (115283952).

Almost surely, 2^345851853 is an apocalyptic number.

It is an amenable number.

345851853 is a deficient number, since it is larger than the sum of its proper divisors (115283955).

345851853 is a wasteful number, since it uses less digits than its factorization.

345851853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115283954.

The product of its digits is 288000, while the sum is 42.

The square root of 345851853 is about 18597.0925953494. The cubic root of 345851853 is about 701.9346839823.

The spelling of 345851853 in words is "three hundred forty-five million, eight hundred fifty-one thousand, eight hundred fifty-three".