153403345 has 32 divisors (see below), whose sum is σ = 197406720. Its totient is φ = 114240000.

The previous prime is 153403333. The next prime is 153403351. The reversal of 153403345 is 543304351.

It is not a de Polignac number, because 153403345 - 2⁹ = 153402833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 641736 + ... + 641974.

It is an arithmetic number, because the mean of its divisors is an integer number (6168960).

Almost surely, 2^153403345 is an apocalyptic number.

It is an amenable number.

153403345 is a deficient number, since it is larger than the sum of its proper divisors (44003375).

153403345 is a wasteful number, since it uses less digits than its factorization.

153403345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 153403345 is about 12385.6104007836. The cubic root of 153403345 is about 535.3177080523.

Adding to 153403345 its reverse (543304351), we get a palindrome (696707696).

The spelling of 153403345 in words is "one hundred fifty-three million, four hundred three thousand, three hundred forty-five".