405450345 has 16 divisors (see below), whose sum is σ = 649492992. Its totient is φ = 215982720.

The previous prime is 405450337. The next prime is 405450359. The reversal of 405450345 is 543054504.

It is not a de Polignac number, because 405450345 - 2³ = 405450337 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2716 + ... + 28605.

It is an arithmetic number, because the mean of its divisors is an integer number (40593312).

Almost surely, 2^405450345 is an apocalyptic number.

It is an amenable number.

405450345 is a deficient number, since it is larger than the sum of its proper divisors (244042647).

405450345 is a wasteful number, since it uses less digits than its factorization.

405450345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32192.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 405450345 is about 20135.7976002939. The cubic root of 405450345 is about 740.1377543645.

The spelling of 405450345 in words is "four hundred five million, four hundred fifty thousand, three hundred forty-five".