80154906 has 32 divisors (see below), whose sum is σ = 173906880. Its totient is φ = 24482304.

The previous prime is 80154887. The next prime is 80154941. The reversal of 80154906 is 60945108.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 7146 + ... + 14538.

It is an arithmetic number, because the mean of its divisors is an integer number (5434590).

Almost surely, 2^80154906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80154906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86953440).

80154906 is an abundant number, since it is smaller than the sum of its proper divisors (93751974).

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

80154906 is a wasteful number, since it uses less digits than its factorization.

80154906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7550.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 80154906 is about 8952.9272308000. The cubic root of 80154906 is about 431.1648710773.

It can be divided in two parts, 8015 and 4906, that added together give a palindrome (12921).

The spelling of 80154906 in words is "eighty million, one hundred fifty-four thousand, nine hundred six".