100402545 has 8 divisors (see below), whose sum is σ = 160644096. Its totient is φ = 53548016.

The previous prime is 100402543. The next prime is 100402579. The reversal of 100402545 is 545204001.

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 100402545 - 2¹ = 100402543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100402541) 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, 3346737 + ... + 3346766.

It is an arithmetic number, because the mean of its divisors is an integer number (20080512).

Almost surely, 2^100402545 is an apocalyptic number.

100402545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100402545 is a deficient number, since it is larger than the sum of its proper divisors (60241551).

100402545 is an equidigital number, since it uses as much as digits as its factorization.

100402545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6693511.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 100402545 is about 10020.1070353565. The cubic root of 100402545 is about 464.7808656458.

Adding to 100402545 its reverse (545204001), we get a palindrome (645606546).

The spelling of 100402545 in words is "one hundred million, four hundred two thousand, five hundred forty-five".