42003153 has 6 divisors (see below), whose sum is σ = 60671234. Its totient is φ = 28002096.

The previous prime is 42003149. The next prime is 42003163. The reversal of 42003153 is 35130024.

It can be written as a sum of positive squares in only one way, i.e., 22581504 + 19421649 = 4752^2 + 4407^2 .

It is not a de Polignac number, because 42003153 - 2² = 42003149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42003163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2333500 + ... + 2333517.

Almost surely, 2^42003153 is an apocalyptic number.

It is an amenable number.

42003153 is a deficient number, since it is larger than the sum of its proper divisors (18668081).

42003153 is a wasteful number, since it uses less digits than its factorization.

42003153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667023 (or 4667020 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 42003153 is about 6480.9839530738. The cubic root of 42003153 is about 347.6113626139.

Adding to 42003153 its reverse (35130024), we get a palindrome (77133177).

The spelling of 42003153 in words is "forty-two million, three thousand, one hundred fifty-three".