42406153 has 4 divisors (see below), whose sum is σ = 42626068. Its totient is φ = 42186240.

The previous prime is 42406129. The next prime is 42406193. The reversal of 42406153 is 35160424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10291264 + 32114889 = 3208^2 + 5667^2 .

It is a cyclic number.

It is not a de Polignac number, because 42406153 - 2⁵ = 42406121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42406103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109668 + ... + 110053.

It is an arithmetic number, because the mean of its divisors is an integer number (10656517).

Almost surely, 2^42406153 is an apocalyptic number.

It is an amenable number.

42406153 is a deficient number, since it is larger than the sum of its proper divisors (219915).

42406153 is a wasteful number, since it uses less digits than its factorization.

42406153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219914.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 42406153 is about 6512.0006910319. Note that the first 3 decimals coincide. The cubic root of 42406153 is about 348.7195471069.

Adding to 42406153 its reverse (35160424), we get a palindrome (77566577).

The spelling of 42406153 in words is "forty-two million, four hundred six thousand, one hundred fifty-three".