42533340154 has 4 divisors (see below), whose sum is σ = 63800010234. Its totient is φ = 21266670076.

The previous prime is 42533340151. The next prime is 42533340173. The reversal of 42533340154 is 45104333524.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 42179712129 + 353628025 = 205377^2 + 18805^2 .

It is not an unprimeable number, because it can be changed into a prime (42533340151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10633335037 + ... + 10633335040.

Almost surely, 2^42533340154 is an apocalyptic number.

42533340154 is a deficient number, since it is larger than the sum of its proper divisors (21266670080).

42533340154 is a wasteful number, since it uses less digits than its factorization.

42533340154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21266670079.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 42533340154 its reverse (45104333524), we get a palindrome (87637673678).

The spelling of 42533340154 in words is "forty-two billion, five hundred thirty-three million, three hundred forty thousand, one hundred fifty-four".