155046983 has 16 divisors (see below), whose sum is σ = 195988800. Its totient is φ = 119356416.

The previous prime is 155046971. The next prime is 155047001. The reversal of 155046983 is 389640551.

It is a cyclic number.

It is not a de Polignac number, because 155046983 - 2¹⁰ = 155045959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155046983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155046943) 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, 19658 + ... + 26391.

It is an arithmetic number, because the mean of its divisors is an integer number (12249300).

Almost surely, 2^155046983 is an apocalyptic number.

155046983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

155046983 is a deficient number, since it is larger than the sum of its proper divisors (40941817).

155046983 is a wasteful number, since it uses less digits than its factorization.

155046983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46106.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 155046983 is about 12451.7863377107. The cubic root of 155046983 is about 537.2228048273. Note that the first 3 decimals are identical.

The spelling of 155046983 in words is "one hundred fifty-five million, forty-six thousand, nine hundred eighty-three".