80900154 has 64 divisors (see below), whose sum is σ = 191289600. Its totient is φ = 25286976.

The previous prime is 80900153. The next prime is 80900179. The reversal of 80900154 is 45100908.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (80900153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65212 + ... + 66440.

It is an arithmetic number, because the mean of its divisors is an integer number (2988900).

Almost surely, 2^80900154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80900154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95644800).

80900154 is an abundant number, since it is smaller than the sum of its proper divisors (110389446).

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

80900154 is a wasteful number, since it uses less digits than its factorization.

80900154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316 (or 1310 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 80900154 is about 8994.4512895451. The cubic root of 80900154 is about 432.4970166968.

The spelling of 80900154 in words is "eighty million, nine hundred thousand, one hundred fifty-four".