82081154 has 8 divisors (see below), whose sum is σ = 125208720. Its totient is φ = 40344916.

The previous prime is 82081093. The next prime is 82081169. The reversal of 82081154 is 45118028.

82081154 = T₈₂ + T₈₃ + ... + T₇₈₉.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347684 + ... + 347919.

It is an arithmetic number, because the mean of its divisors is an integer number (15651090).

Almost surely, 2^82081154 is an apocalyptic number.

82081154 is a deficient number, since it is larger than the sum of its proper divisors (43127566).

82081154 is a wasteful number, since it uses less digits than its factorization.

82081154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695664.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 82081154 is about 9059.8650100319. The cubic root of 82081154 is about 434.5914232935.

The spelling of 82081154 in words is "eighty-two million, eighty-one thousand, one hundred fifty-four".