1451745705 has 8 divisors (see below), whose sum is σ = 2322793152. Its totient is φ = 774264368.

The previous prime is 1451745697. The next prime is 1451745709. The reversal of 1451745705 is 5075471541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1451745705 - 2³ = 1451745697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1451745709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48391509 + ... + 48391538.

It is an arithmetic number, because the mean of its divisors is an integer number (290349144).

Almost surely, 2^1451745705 is an apocalyptic number.

1451745705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1451745705 is a deficient number, since it is larger than the sum of its proper divisors (871047447).

1451745705 is an equidigital number, since it uses as much as digits as its factorization.

1451745705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96783055.

The product of its (nonzero) digits is 98000, while the sum is 39.

The square root of 1451745705 is about 38101.7808638914. The cubic root of 1451745705 is about 1132.3052386938.

The spelling of 1451745705 in words is "one billion, four hundred fifty-one million, seven hundred forty-five thousand, seven hundred five".