42453641 has 8 divisors (see below), whose sum is σ = 45372960. Its totient is φ = 39581248.

The previous prime is 42453637. The next prime is 42453667. The reversal of 42453641 is 14635424.

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

It is a cyclic number.

It is not a de Polignac number, because 42453641 - 2² = 42453637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42453611) 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, 9851 + ... + 13488.

It is an arithmetic number, because the mean of its divisors is an integer number (5671620).

Almost surely, 2^42453641 is an apocalyptic number.

It is an amenable number.

42453641 is a deficient number, since it is larger than the sum of its proper divisors (2919319).

42453641 is a wasteful number, since it uses less digits than its factorization.

42453641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23463.

The product of its digits is 11520, while the sum is 29.

The square root of 42453641 is about 6515.6458620769. The cubic root of 42453641 is about 348.8496682884.

The spelling of 42453641 in words is "forty-two million, four hundred fifty-three thousand, six hundred forty-one".