854640154 has 16 divisors (see below), whose sum is σ = 1290928320. Its totient is φ = 424337760.

The previous prime is 854640139. The next prime is 854640161. The reversal of 854640154 is 451046458.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368659 + ... + 370969.

It is an arithmetic number, because the mean of its divisors is an integer number (80683020).

Almost surely, 2^854640154 is an apocalyptic number.

854640154 is a deficient number, since it is larger than the sum of its proper divisors (436288166).

854640154 is a wasteful number, since it uses less digits than its factorization.

854640154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3525.

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 854640154 is about 29234.2291500905. The cubic root of 854640154 is about 948.9888239980.

The spelling of 854640154 in words is "eight hundred fifty-four million, six hundred forty thousand, one hundred fifty-four".