100155454 has 8 divisors (see below), whose sum is σ = 171695088. Its totient is φ = 42923760.

The previous prime is 100155443. The next prime is 100155457. The reversal of 100155454 is 454551001.

It is a happy number.

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

It is a super-2 number, since 2×100155454² = 20062229931892232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100155457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3576967 + ... + 3576994.

It is an arithmetic number, because the mean of its divisors is an integer number (21461886).

Almost surely, 2^100155454 is an apocalyptic number.

100155454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

100155454 is a deficient number, since it is larger than the sum of its proper divisors (71539634).

100155454 is an equidigital number, since it uses as much as digits as its factorization.

100155454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7153970.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 100155454 is about 10007.7696816024. The cubic root of 100155454 is about 464.3992766874.

The spelling of 100155454 in words is "one hundred million, one hundred fifty-five thousand, four hundred fifty-four".