83154225 has 144 divisors (see below), whose sum is σ = 186255936. Its totient is φ = 32524800.

The previous prime is 83154161. The next prime is 83154257. The reversal of 83154225 is 52245138.

It is not a de Polignac number, because 83154225 - 2⁶ = 83154161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83154192 and 83154201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4891417 + ... + 4891433.

It is an arithmetic number, because the mean of its divisors is an integer number (1293444).

Almost surely, 2^83154225 is an apocalyptic number.

83154225 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

83154225 is an abundant number, since it is smaller than the sum of its proper divisors (103101711).

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

83154225 is a wasteful number, since it uses less digits than its factorization.

83154225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 43 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 83154225 is about 9118.8938473918. The cubic root of 83154225 is about 436.4770768237.

The spelling of 83154225 in words is "eighty-three million, one hundred fifty-four thousand, two hundred twenty-five".