42154011 has 6 divisors (see below), whose sum is σ = 60889140. Its totient is φ = 28102668.

The previous prime is 42154003. The next prime is 42154019. The reversal of 42154011 is 11045124.

It is an interprime number because it is at equal distance from previous prime (42154003) and next prime (42154019).

It is not a de Polignac number, because 42154011 - 2³ = 42154003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42154019) 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, 2341881 + ... + 2341898.

It is an arithmetic number, because the mean of its divisors is an integer number (10148190).

Almost surely, 2^42154011 is an apocalyptic number.

42154011 is a deficient number, since it is larger than the sum of its proper divisors (18735129).

42154011 is a wasteful number, since it uses less digits than its factorization.

42154011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4683785 (or 4683782 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 42154011 is about 6492.6120321485. The cubic root of 42154011 is about 348.0270242589.

Adding to 42154011 its reverse (11045124), we get a palindrome (53199135).

The spelling of 42154011 in words is "forty-two million, one hundred fifty-four thousand, eleven".