155302043 has 6 divisors (see below), whose sum is σ = 168167484. Its totient is φ = 143355576.

The previous prime is 155302019. The next prime is 155302057. The reversal of 155302043 is 340203551.

It is not a de Polignac number, because 155302043 - 2¹⁴ = 155285659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155302643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 459305 + ... + 459642.

It is an arithmetic number, because the mean of its divisors is an integer number (28027914).

Almost surely, 2^155302043 is an apocalyptic number.

155302043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

155302043 is a deficient number, since it is larger than the sum of its proper divisors (12865441).

155302043 is an equidigital number, since it uses as much as digits as its factorization.

155302043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918973 (or 918960 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 155302043 is about 12462.0240330373. The cubic root of 155302043 is about 537.5172295180.

Adding to 155302043 its reverse (340203551), we get a palindrome (495505594).

The spelling of 155302043 in words is "one hundred fifty-five million, three hundred two thousand, forty-three".