1454423657 has 4 divisors (see below), whose sum is σ = 1456064256. Its totient is φ = 1452783060.

The previous prime is 1454423591. The next prime is 1454423681. The reversal of 1454423657 is 7563244541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1454423657 - 2²⁶ = 1387314793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1454423687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 818969 + ... + 820742.

It is an arithmetic number, because the mean of its divisors is an integer number (364016064).

Almost surely, 2^1454423657 is an apocalyptic number.

It is an amenable number.

1454423657 is a deficient number, since it is larger than the sum of its proper divisors (1640599).

1454423657 is an equidigital number, since it uses as much as digits as its factorization.

1454423657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640598.

The product of its digits is 403200, while the sum is 41.

The square root of 1454423657 is about 38136.9067571034. The cubic root of 1454423657 is about 1133.0010438656.

The spelling of 1454423657 in words is "one billion, four hundred fifty-four million, four hundred twenty-three thousand, six hundred fifty-seven".