82315154 has 4 divisors (see below), whose sum is σ = 123472734. Its totient is φ = 41157576.

The previous prime is 82315153. The next prime is 82315157. The reversal of 82315154 is 45151328.

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

It can be written as a sum of positive squares in only one way, i.e., 81631225 + 683929 = 9035^2 + 827^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82315151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20578787 + ... + 20578790.

Almost surely, 2^82315154 is an apocalyptic number.

82315154 is a deficient number, since it is larger than the sum of its proper divisors (41157580).

82315154 is a wasteful number, since it uses less digits than its factorization.

82315154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41157579.

The product of its digits is 4800, while the sum is 29.

The square root of 82315154 is about 9072.7699188285. The cubic root of 82315154 is about 435.0040145840.

The spelling of 82315154 in words is "eighty-two million, three hundred fifteen thousand, one hundred fifty-four".