345032545 has 32 divisors (see below), whose sum is σ = 507596544. Its totient is φ = 221548800.

The previous prime is 345032539. The next prime is 345032549. The reversal of 345032545 is 545230543.

It is a happy number.

It is not a de Polignac number, because 345032545 - 2³ = 345032537 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (345032549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5955 + ... + 26935.

It is an arithmetic number, because the mean of its divisors is an integer number (15862392).

Almost surely, 2^345032545 is an apocalyptic number.

It is an amenable number.

345032545 is a deficient number, since it is larger than the sum of its proper divisors (162563999).

345032545 is a wasteful number, since it uses less digits than its factorization.

345032545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21033.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 345032545 is about 18575.0516822969. The cubic root of 345032545 is about 701.3799614663.

The spelling of 345032545 in words is "three hundred forty-five million, thirty-two thousand, five hundred forty-five".