155645283 has 16 divisors (see below), whose sum is σ = 219283200. Its totient is φ = 97927200.

The previous prime is 155645267. The next prime is 155645293. The reversal of 155645283 is 382546551.

It is not a de Polignac number, because 155645283 - 2⁴ = 155645267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155645293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10258 + ... + 20408.

It is an arithmetic number, because the mean of its divisors is an integer number (13705200).

Almost surely, 2^155645283 is an apocalyptic number.

155645283 is a deficient number, since it is larger than the sum of its proper divisors (63637917).

155645283 is a wasteful number, since it uses less digits than its factorization.

155645283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10442.

The product of its digits is 144000, while the sum is 39.

The square root of 155645283 is about 12475.7878709122. The cubic root of 155645283 is about 537.9129351055.

The spelling of 155645283 in words is "one hundred fifty-five million, six hundred forty-five thousand, two hundred eighty-three".