1451154473 has 2 divisors, whose sum is σ = 1451154474. Its totient is φ = 1451154472.

The previous prime is 1451154427. The next prime is 1451154491. The reversal of 1451154473 is 3744511541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1378785424 + 72369049 = 37132^2 + 8507^2 .

It is a cyclic number.

It is not a de Polignac number, because 1451154473 - 2⁶ = 1451154409 is a prime.

It is not a weakly prime, because it can be changed into another prime (1451154373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725577236 + 725577237.

It is an arithmetic number, because the mean of its divisors is an integer number (725577237).

Almost surely, 2^1451154473 is an apocalyptic number.

It is an amenable number.

1451154473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451154473 is an equidigital number, since it uses as much as digits as its factorization.

1451154473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 35.

The square root of 1451154473 is about 38094.0214863172. The cubic root of 1451154473 is about 1132.1515051602.

The spelling of 1451154473 in words is "one billion, four hundred fifty-one million, one hundred fifty-four thousand, four hundred seventy-three".