154098243 has 12 divisors (see below), whose sum is σ = 239708560. Its totient is φ = 94829616.

The previous prime is 154098239. The next prime is 154098247. The reversal of 154098243 is 342890451.

154098243 is a `hidden beast` number, since 1 + 5 + 409 + 8 + 243 = 666.

154098243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (154098239) and next prime (154098247).

It is not a de Polignac number, because 154098243 - 2² = 154098239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154098198 and 154098207.

It is not an unprimeable number, because it can be changed into a prime (154098247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 658423 + ... + 658656.

Almost surely, 2^154098243 is an apocalyptic number.

154098243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

154098243 is a deficient number, since it is larger than the sum of its proper divisors (85610317).

154098243 is a wasteful number, since it uses less digits than its factorization.

154098243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317098 (or 1317095 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 154098243 is about 12413.6313381701. The cubic root of 154098243 is about 536.1247980644.

The spelling of 154098243 in words is "one hundred fifty-four million, ninety-eight thousand, two hundred forty-three".