1454451149 has 4 divisors (see below), whose sum is σ = 1501368960. Its totient is φ = 1407533340.

The previous prime is 1454451127. The next prime is 1454451169. The reversal of 1454451149 is 9411544541.

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 a de Polignac number, because none of the positive numbers 2^k-1454451149 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 (1454451169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23458859 + ... + 23458920.

It is an arithmetic number, because the mean of its divisors is an integer number (375342240).

Almost surely, 2^1454451149 is an apocalyptic number.

It is an amenable number.

1454451149 is a deficient number, since it is larger than the sum of its proper divisors (46917811).

1454451149 is an equidigital number, since it uses as much as digits as its factorization.

1454451149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46917810.

The product of its digits is 57600, while the sum is 38.

The square root of 1454451149 is about 38137.2671936519. The cubic root of 1454451149 is about 1133.0081826082.

The spelling of 1454451149 in words is "one billion, four hundred fifty-four million, four hundred fifty-one thousand, one hundred forty-nine".