10100155 has 8 divisors (see below), whose sum is σ = 13052592. Its totient is φ = 7458528.

The previous prime is 10100147. The next prime is 10100161. The reversal of 10100155 is 55100101.

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

It is a cyclic number.

It is not a de Polignac number, because 10100155 - 2³ = 10100147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

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, 77629 + ... + 77758.

It is an arithmetic number, because the mean of its divisors is an integer number (1631574).

Almost surely, 2^10100155 is an apocalyptic number.

10100155 is a deficient number, since it is larger than the sum of its proper divisors (2952437).

10100155 is a wasteful number, since it uses less digits than its factorization.

10100155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155405.

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 10100155 is about 3178.0741023456. The cubic root of 10100155 is about 216.1603390539.

Adding to 10100155 its reverse (55100101), we get a palindrome (65200256).

The spelling of 10100155 in words is "ten million, one hundred thousand, one hundred fifty-five".