42156453 has 8 divisors (see below), whose sum is σ = 56274208. Its totient is φ = 28071504.

The previous prime is 42156451. The next prime is 42156461. The reversal of 42156453 is 35465124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42156453 - 2¹ = 42156451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42156453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42156451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5026 + ... + 10467.

It is an arithmetic number, because the mean of its divisors is an integer number (7034276).

Almost surely, 2^42156453 is an apocalyptic number.

It is an amenable number.

42156453 is a deficient number, since it is larger than the sum of its proper divisors (14117755).

42156453 is a wasteful number, since it uses less digits than its factorization.

42156453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16403.

The product of its digits is 14400, while the sum is 30.

The square root of 42156453 is about 6492.8000893297. The cubic root of 42156453 is about 348.0337445809.

The spelling of 42156453 in words is "forty-two million, one hundred fifty-six thousand, four hundred fifty-three".