100454145 has 32 divisors (see below), whose sum is σ = 175803264. Its totient is φ = 48576000.

The previous prime is 100454143. The next prime is 100454147. The reversal of 100454145 is 541454001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100454143) and next prime (100454147).

It is not a de Polignac number, because 100454145 - 2¹ = 100454143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100454143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98659 + ... + 99671.

It is an arithmetic number, because the mean of its divisors is an integer number (5493852).

Almost surely, 2^100454145 is an apocalyptic number.

100454145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100454145 is a deficient number, since it is larger than the sum of its proper divisors (75349119).

100454145 is a wasteful number, since it uses less digits than its factorization.

100454145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 100454145 is about 10022.6815274157. The cubic root of 100454145 is about 464.8604738050.

The spelling of 100454145 in words is "one hundred million, four hundred fifty-four thousand, one hundred forty-five".