42154054 has 4 divisors (see below), whose sum is σ = 63231084. Its totient is φ = 21077026.

The previous prime is 42154043. The next prime is 42154087. The reversal of 42154054 is 45045124.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10538512 + ... + 10538515.

It is an arithmetic number, because the mean of its divisors is an integer number (15807771).

Almost surely, 2^42154054 is an apocalyptic number.

42154054 is a deficient number, since it is larger than the sum of its proper divisors (21077030).

42154054 is a wasteful number, since it uses less digits than its factorization.

42154054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21077029.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 42154054 is about 6492.6153436038. The cubic root of 42154054 is about 348.0271425960.

Adding to 42154054 its reverse (45045124), we get a palindrome (87199178).

The spelling of 42154054 in words is "forty-two million, one hundred fifty-four thousand, fifty-four".