42154273 has 16 divisors (see below), whose sum is σ = 49674240. Its totient is φ = 35020800.

The previous prime is 42154267. The next prime is 42154279. The reversal of 42154273 is 37245124.

It is an interprime number because it is at equal distance from previous prime (42154267) and next prime (42154279).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42154273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42154279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54433 + ... + 55201.

It is an arithmetic number, because the mean of its divisors is an integer number (3104640).

Almost surely, 2^42154273 is an apocalyptic number.

It is an amenable number.

42154273 is a deficient number, since it is larger than the sum of its proper divisors (7519967).

42154273 is a wasteful number, since it uses less digits than its factorization.

42154273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008.

The product of its digits is 6720, while the sum is 28.

The square root of 42154273 is about 6492.6322088965. The cubic root of 42154273 is about 348.0277452886.

Adding to 42154273 its reverse (37245124), we get a palindrome (79399397).

The spelling of 42154273 in words is "forty-two million, one hundred fifty-four thousand, two hundred seventy-three".