42153453 has 24 divisors (see below), whose sum is σ = 64698816. Its totient is φ = 27410400.

The previous prime is 42153451. The next prime is 42153479. The reversal of 42153453 is 35435124.

It is not a de Polignac number, because 42153453 - 2¹ = 42153451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42153451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7848 + ... + 12078.

It is an arithmetic number, because the mean of its divisors is an integer number (2695784).

Almost surely, 2^42153453 is an apocalyptic number.

It is an amenable number.

42153453 is a deficient number, since it is larger than the sum of its proper divisors (22545363).

42153453 is an equidigital number, since it uses as much as digits as its factorization.

42153453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4287 (or 4275 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 42153453 is about 6492.5690600871. The cubic root of 42153453 is about 348.0254886206.

Adding to 42153453 its reverse (35435124), we get a palindrome (77588577).

The spelling of 42153453 in words is "forty-two million, one hundred fifty-three thousand, four hundred fifty-three".