42430153 has 4 divisors (see below), whose sum is σ = 42675588. Its totient is φ = 42184720.

The previous prime is 42430139. The next prime is 42430253. The reversal of 42430153 is 35103424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40347904 + 2082249 = 6352^2 + 1443^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42430153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42430253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122458 + ... + 122803.

It is an arithmetic number, because the mean of its divisors is an integer number (10668897).

Almost surely, 2^42430153 is an apocalyptic number.

It is an amenable number.

42430153 is a deficient number, since it is larger than the sum of its proper divisors (245435).

42430153 is a wasteful number, since it uses less digits than its factorization.

42430153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245434.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 42430153 is about 6513.8431820240. The cubic root of 42430153 is about 348.7853212942.

Adding to 42430153 its reverse (35103424), we get a palindrome (77533577).

The spelling of 42430153 in words is "forty-two million, four hundred thirty thousand, one hundred fifty-three".