84242154 has 16 divisors (see below), whose sum is σ = 168608448. Its totient is φ = 28060032.

The previous prime is 84242153. The next prime is 84242237. The reversal of 84242154 is 45124248.

It is not an unprimeable number, because it can be changed into a prime (84242153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5274 + ... + 14010.

It is an arithmetic number, because the mean of its divisors is an integer number (10538028).

Almost surely, 2^84242154 is an apocalyptic number.

84242154 is an abundant number, since it is smaller than the sum of its proper divisors (84366294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84242154 is a wasteful number, since it uses less digits than its factorization.

84242154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10349.

The product of its digits is 10240, while the sum is 30.

The square root of 84242154 is about 9178.3524665378. The cubic root of 84242154 is about 438.3723507446.

The spelling of 84242154 in words is "eighty-four million, two hundred forty-two thousand, one hundred fifty-four".