1454231551 has 4 divisors (see below), whose sum is σ = 1454323032. Its totient is φ = 1454140072.

The previous prime is 1454231539. The next prime is 1454231567. The reversal of 1454231551 is 1551324541.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1551324541 = 13 ⋅119332657.

It is a cyclic number.

It is not a de Polignac number, because 1454231551 - 2⁹ = 1454231039 is a prime.

It is a super-3 number, since 3×1454231551³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454231591) 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, 15016 + ... + 55981.

It is an arithmetic number, because the mean of its divisors is an integer number (363580758).

Almost surely, 2^1454231551 is an apocalyptic number.

1454231551 is a deficient number, since it is larger than the sum of its proper divisors (91481).

1454231551 is an equidigital number, since it uses as much as digits as its factorization.

1454231551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91480.

The product of its digits is 12000, while the sum is 31.

The square root of 1454231551 is about 38134.3880375705. The cubic root of 1454231551 is about 1132.9511579237.

The spelling of 1454231551 in words is "one billion, four hundred fifty-four million, two hundred thirty-one thousand, five hundred fifty-one".