100159453 has 4 divisors (see below), whose sum is σ = 102049308. Its totient is φ = 98269600.

The previous prime is 100159447. The next prime is 100159459. The reversal of 100159453 is 354951001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354951001 = 14543 ⋅24407.

It is an interprime number because it is at equal distance from previous prime (100159447) and next prime (100159459).

It can be written as a sum of positive squares in 2 ways, for example, as 30052324 + 70107129 = 5482^2 + 8373^2 .

It is a cyclic number.

It is not a de Polignac number, because 100159453 - 2⁵ = 100159421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100159459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944848 + ... + 944953.

It is an arithmetic number, because the mean of its divisors is an integer number (25512327).

Almost surely, 2^100159453 is an apocalyptic number.

It is an amenable number.

100159453 is a deficient number, since it is larger than the sum of its proper divisors (1889855).

100159453 is an equidigital number, since it uses as much as digits as its factorization.

100159453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889854.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 100159453 is about 10007.9694743739. The cubic root of 100159453 is about 464.4054574392.

The spelling of 100159453 in words is "one hundred million, one hundred fifty-nine thousand, four hundred fifty-three".