345624232 has 8 divisors (see below), whose sum is σ = 648045450. Its totient is φ = 172812112.

The previous prime is 345624203. The next prime is 345624281. The reversal of 345624232 is 232426543.

345624232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 291248356 + 54375876 = 17066^2 + 7374^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×345624232² = 238912219491179648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 345624194 and 345624203.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21601507 + ... + 21601522.

Almost surely, 2^345624232 is an apocalyptic number.

It is an amenable number.

345624232 is a deficient number, since it is larger than the sum of its proper divisors (302421218).

345624232 is a wasteful number, since it uses less digits than its factorization.

345624232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43203035 (or 43203031 counting only the distinct ones).

The product of its digits is 34560, while the sum is 31.

The square root of 345624232 is about 18590.9717874026. The cubic root of 345624232 is about 701.7806583613.

The spelling of 345624232 in words is "three hundred forty-five million, six hundred twenty-four thousand, two hundred thirty-two".