154855898 has 8 divisors (see below), whose sum is σ = 232492980. Its totient is φ = 77358240.

The previous prime is 154855891. The next prime is 154855901. The reversal of 154855898 is 898558451.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 132549169 + 22306729 = 11513^2 + 4723^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (154855891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32033 + ... + 36548.

Almost surely, 2^154855898 is an apocalyptic number.

154855898 is a deficient number, since it is larger than the sum of its proper divisors (77637082).

154855898 is a wasteful number, since it uses less digits than its factorization.

154855898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69712.

The product of its digits is 2304000, while the sum is 53.

The square root of 154855898 is about 12444.1109766829. The cubic root of 154855898 is about 537.0020170840.

The spelling of 154855898 in words is "one hundred fifty-four million, eight hundred fifty-five thousand, eight hundred ninety-eight".