100261545 has 8 divisors (see below), whose sum is σ = 160418496. Its totient is φ = 53472816.

The previous prime is 100261519. The next prime is 100261549. The reversal of 100261545 is 545162001.

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

It is not a de Polignac number, because 100261545 - 2⁷ = 100261417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100261549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3342037 + ... + 3342066.

It is an arithmetic number, because the mean of its divisors is an integer number (20052312).

Almost surely, 2^100261545 is an apocalyptic number.

100261545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100261545 is a deficient number, since it is larger than the sum of its proper divisors (60156951).

100261545 is an equidigital number, since it uses as much as digits as its factorization.

100261545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6684111.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 100261545 is about 10013.0687104404. The cubic root of 100261545 is about 464.5631925329.

The spelling of 100261545 in words is "one hundred million, two hundred sixty-one thousand, five hundred forty-five".