155632983 has 12 divisors (see below), whose sum is σ = 228090744. Its totient is φ = 94322800.

The previous prime is 155632951. The next prime is 155632991. The reversal of 155632983 is 389236551.

155632983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 155632983 - 2⁵ = 155632951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155632903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214008 + ... + 214733.

It is an arithmetic number, because the mean of its divisors is an integer number (19007562).

Almost surely, 2^155632983 is an apocalyptic number.

155632983 is a deficient number, since it is larger than the sum of its proper divisors (72457761).

155632983 is a wasteful number, since it uses less digits than its factorization.

155632983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428766 (or 428755 counting only the distinct ones).

The product of its digits is 194400, while the sum is 42.

The square root of 155632983 is about 12475.2949063339. The cubic root of 155632983 is about 537.8987650575.

The spelling of 155632983 in words is "one hundred fifty-five million, six hundred thirty-two thousand, nine hundred eighty-three".