254151523453 has 4 divisors (see below), whose sum is σ = 254280340188. Its totient is φ = 254022706720.

The previous prime is 254151523429. The next prime is 254151523463. The reversal of 254151523453 is 354325151452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25378720249 + 228772803204 = 159307^2 + 478302^2 .

It is a cyclic number.

It is not a de Polignac number, because 254151523453 - 2⁹ = 254151522941 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 (254151523463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64405408 + ... + 64409353.

It is an arithmetic number, because the mean of its divisors is an integer number (63570085047).

Almost surely, 2^254151523453 is an apocalyptic number.

It is an amenable number.

254151523453 is a deficient number, since it is larger than the sum of its proper divisors (128816735).

254151523453 is a wasteful number, since it uses less digits than its factorization.

254151523453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128816734.

The product of its digits is 360000, while the sum is 40.

The spelling of 254151523453 in words is "two hundred fifty-four billion, one hundred fifty-one million, five hundred twenty-three thousand, four hundred fifty-three".