42015154 has 8 divisors (see below), whose sum is σ = 63214128. Its totient is φ = 20943780.

The previous prime is 42015151. The next prime is 42015157. The reversal of 42015154 is 45151024.

It is an interprime number because it is at equal distance from previous prime (42015151) and next prime (42015157).

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

It is not an unprimeable number, because it can be changed into a prime (42015151) 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, 31072 + ... + 32395.

It is an arithmetic number, because the mean of its divisors is an integer number (7901766).

Almost surely, 2^42015154 is an apocalyptic number.

42015154 is a deficient number, since it is larger than the sum of its proper divisors (21198974).

42015154 is a wasteful number, since it uses less digits than its factorization.

42015154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63800.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 42015154 is about 6481.9097494488. The cubic root of 42015154 is about 347.6444655789.

Adding to 42015154 its reverse (45151024), we get a palindrome (87166178).

The spelling of 42015154 in words is "forty-two million, fifteen thousand, one hundred fifty-four".