155883433 has 2 divisors, whose sum is σ = 155883434. Its totient is φ = 155883432.

The previous prime is 155883419. The next prime is 155883449. The reversal of 155883433 is 334388551.

155883433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148060224 + 7823209 = 12168^2 + 2797^2 .

It is a cyclic number.

It is not a de Polignac number, because 155883433 - 2⁵ = 155883401 is a prime.

It is not a weakly prime, because it can be changed into another prime (155881433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77941716 + 77941717.

It is an arithmetic number, because the mean of its divisors is an integer number (77941717).

Almost surely, 2^155883433 is an apocalyptic number.

It is an amenable number.

155883433 is a deficient number, since it is larger than the sum of its proper divisors (1).

155883433 is an equidigital number, since it uses as much as digits as its factorization.

155883433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 40.

The square root of 155883433 is about 12485.3287101301. The cubic root of 155883433 is about 538.1871455452.

The spelling of 155883433 in words is "one hundred fifty-five million, eight hundred eighty-three thousand, four hundred thirty-three".