42154343 has 24 divisors (see below), whose sum is σ = 53459616. Its totient is φ = 32535360.

The previous prime is 42154337. The next prime is 42154349. The reversal of 42154343 is 34345124.

42154343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42154337) and next prime (42154349).

It is not a de Polignac number, because 42154343 - 2⁶ = 42154279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42154349) 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 23 ways as a sum of consecutive naturals, for example, 132821 + ... + 133137.

It is an arithmetic number, because the mean of its divisors is an integer number (2227484).

Almost surely, 2^42154343 is an apocalyptic number.

42154343 is a deficient number, since it is larger than the sum of its proper divisors (11305273).

42154343 is a wasteful number, since it uses less digits than its factorization.

42154343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 492 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 42154343 is about 6492.6375996200. The cubic root of 42154343 is about 348.0279379297.

Adding to 42154343 its reverse (34345124), we get a palindrome (76499467).

It can be divided in two parts, 4215 and 4343, that added together give a palindrome (8558).

The spelling of 42154343 in words is "forty-two million, one hundred fifty-four thousand, three hundred forty-three".