84445151 has 4 divisors (see below), whose sum is σ = 96508752. Its totient is φ = 72381552.

The previous prime is 84445093. The next prime is 84445169. The reversal of 84445151 is 15154448.

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

It is a cyclic number.

It is not a de Polignac number, because 84445151 - 2¹⁴ = 84428767 is a prime.

It is a super-3 number, since 3×84445151³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84415151) 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, 6031790 + ... + 6031803.

It is an arithmetic number, because the mean of its divisors is an integer number (24127188).

Almost surely, 2^84445151 is an apocalyptic number.

84445151 is a deficient number, since it is larger than the sum of its proper divisors (12063601).

84445151 is a wasteful number, since it uses less digits than its factorization.

84445151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12063600.

The product of its digits is 12800, while the sum is 32.

The square root of 84445151 is about 9189.4042788420. The cubic root of 84445151 is about 438.7241812931.

Adding to 84445151 its reverse (15154448), we get a palindrome (99599599).

The spelling of 84445151 in words is "eighty-four million, four hundred forty-five thousand, one hundred fifty-one".