100155268 has 6 divisors (see below), whose sum is σ = 175271726. Its totient is φ = 50077632.

The previous prime is 100155259. The next prime is 100155277. The reversal of 100155268 is 862551001.

It is an interprime number because it is at equal distance from previous prime (100155259) and next prime (100155277).

It can be written as a sum of positive squares in only one way, i.e., 91814724 + 8340544 = 9582^2 + 2888^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12519405 + ... + 12519412.

Almost surely, 2^100155268 is an apocalyptic number.

It is an amenable number.

100155268 is a deficient number, since it is larger than the sum of its proper divisors (75116458).

100155268 is a wasteful number, since it uses less digits than its factorization.

100155268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25038821 (or 25038819 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 100155268 is about 10007.7603888183. The cubic root of 100155268 is about 464.3989892066.

The spelling of 100155268 in words is "one hundred million, one hundred fifty-five thousand, two hundred sixty-eight".