154100453 has 6 divisors (see below), whose sum is σ = 166866354. Its totient is φ = 142246416.

The previous prime is 154100413. The next prime is 154100467. The reversal of 154100453 is 354001451.

It can be written as a sum of positive squares in 3 ways, for example, as 12061729 + 142038724 = 3473^2 + 11918^2 .

It is not a de Polignac number, because 154100453 - 2¹⁴ = 154084069 is a prime.

It is a super-2 number, since 2×154100453² = 47493899229610418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154100413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 455750 + ... + 456087.

It is an arithmetic number, because the mean of its divisors is an integer number (27811059).

Almost surely, 2^154100453 is an apocalyptic number.

154100453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

154100453 is a deficient number, since it is larger than the sum of its proper divisors (12765901).

154100453 is an equidigital number, since it uses as much as digits as its factorization.

154100453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911863 (or 911850 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 154100453 is about 12413.7203528999. The cubic root of 154100453 is about 536.1273609968.

The spelling of 154100453 in words is "one hundred fifty-four million, one hundred thousand, four hundred fifty-three".