1454485157 has 4 divisors (see below), whose sum is σ = 1454577696. Its totient is φ = 1454392620.

The previous prime is 1454485147. The next prime is 1454485177. The reversal of 1454485157 is 7515844541.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7515844541 = 62191 ⋅120851.

It is a cyclic number.

It is not a de Polignac number, because 1454485157 - 2⁴ = 1454485141 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 (1454485117) 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, 16163 + ... + 56304.

It is an arithmetic number, because the mean of its divisors is an integer number (363644424).

Almost surely, 2^1454485157 is an apocalyptic number.

It is an amenable number.

1454485157 is a deficient number, since it is larger than the sum of its proper divisors (92539).

1454485157 is an equidigital number, since it uses as much as digits as its factorization.

1454485157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92538.

The product of its digits is 448000, while the sum is 44.

The square root of 1454485157 is about 38137.7130541410. The cubic root of 1454485157 is about 1133.0170132112.

The spelling of 1454485157 in words is "one billion, four hundred fifty-four million, four hundred eighty-five thousand, one hundred fifty-seven".