42535154 has 4 divisors (see below), whose sum is σ = 63802734. Its totient is φ = 21267576.

The previous prime is 42535153. The next prime is 42535169. The reversal of 42535154 is 45153524.

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., 34281025 + 8254129 = 5855^2 + 2873^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42535153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10633787 + ... + 10633790.

Almost surely, 2^42535154 is an apocalyptic number.

42535154 is a deficient number, since it is larger than the sum of its proper divisors (21267580).

42535154 is a wasteful number, since it uses less digits than its factorization.

42535154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21267579.

The product of its digits is 12000, while the sum is 29.

The square root of 42535154 is about 6521.8980366148. The cubic root of 42535154 is about 349.0727948360.

Adding to 42535154 its reverse (45153524), we get a palindrome (87688678).

It can be divided in two parts, 42535 and 154, that multiplied together give a triangular number (6550390 = T₃₆₁₉).

The spelling of 42535154 in words is "forty-two million, five hundred thirty-five thousand, one hundred fifty-four".