1374745451 has 4 divisors (see below), whose sum is σ = 1375742304. Its totient is φ = 1373748600.

The previous prime is 1374745373. The next prime is 1374745453. The reversal of 1374745451 is 1545474731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1374745451 - 2²⁶ = 1307636587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1374745399 and 1374745408.

It is not an unprimeable number, because it can be changed into a prime (1374745453) 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, 496355 + ... + 499116.

It is an arithmetic number, because the mean of its divisors is an integer number (343935576).

Almost surely, 2^1374745451 is an apocalyptic number.

1374745451 is a deficient number, since it is larger than the sum of its proper divisors (996853).

1374745451 is an equidigital number, since it uses as much as digits as its factorization.

1374745451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996852.

The product of its digits is 235200, while the sum is 41.

The square root of 1374745451 is about 37077.5599385936. The cubic root of 1374745451 is about 1111.9214214246.

The spelling of 1374745451 in words is "one billion, three hundred seventy-four million, seven hundred forty-five thousand, four hundred fifty-one".