1405233345 has 16 divisors (see below), whose sum is σ = 2380631040. Its totient is φ = 705371904.

The previous prime is 1405233281. The next prime is 1405233377. The reversal of 1405233345 is 5433325041.

It is not a de Polignac number, because 1405233345 - 2⁶ = 1405233281 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, 2755105 + ... + 2755614.

It is an arithmetic number, because the mean of its divisors is an integer number (148789440).

Almost surely, 2^1405233345 is an apocalyptic number.

1405233345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1405233345 is a deficient number, since it is larger than the sum of its proper divisors (975397695).

1405233345 is a wasteful number, since it uses less digits than its factorization.

1405233345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5510744.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 1405233345 is about 37486.4421491291. The cubic root of 1405233345 is about 1120.0811338440.

Adding to 1405233345 its reverse (5433325041), we get a palindrome (6838558386).

The spelling of 1405233345 in words is "one billion, four hundred five million, two hundred thirty-three thousand, three hundred forty-five".