1445704755 has 16 divisors (see below), whose sum is σ = 2523412224. Its totient is φ = 700947680.

The previous prime is 1445704753. The next prime is 1445704853. The reversal of 1445704755 is 5574075441.

1445704755 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1445704755 - 2¹ = 1445704753 is a prime.

It is a super-2 number, since 2×1445704755² = 4180124477259220050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1445704751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4380759 + ... + 4381088.

It is an arithmetic number, because the mean of its divisors is an integer number (157713264).

Almost surely, 2^1445704755 is an apocalyptic number.

1445704755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1445704755 is a deficient number, since it is larger than the sum of its proper divisors (1077707469).

1445704755 is a wasteful number, since it uses less digits than its factorization.

1445704755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8761866.

The product of its (nonzero) digits is 392000, while the sum is 42.

The square root of 1445704755 is about 38022.4243703633. The cubic root of 1445704755 is about 1130.7324864251.

The spelling of 1445704755 in words is "one billion, four hundred forty-five million, seven hundred four thousand, seven hundred fifty-five".