154801854 has 60 divisors (see below), whose sum is σ = 366226344. Its totient is φ = 48866328.

The previous prime is 154801837. The next prime is 154801861. The reversal of 154801854 is 458108451.

It is a super-2 number, since 2×154801854² = 47927228003674632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 57159 + ... + 59805.

Almost surely, 2^154801854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154801854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183113172).

154801854 is an abundant number, since it is smaller than the sum of its proper divisors (211424490).

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

154801854 is a wasteful number, since it uses less digits than its factorization.

154801854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699 (or 2671 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 154801854 is about 12441.9393182896. The cubic root of 154801854 is about 536.9395393994.

The spelling of 154801854 in words is "one hundred fifty-four million, eight hundred one thousand, eight hundred fifty-four".