1445357755 has 8 divisors (see below), whose sum is σ = 1734825024. Its totient is φ = 1156022400.

The previous prime is 1445357717. The next prime is 1445357761. The reversal of 1445357755 is 5577535441.

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

It is not a de Polignac number, because 1445357755 - 2¹⁷ = 1445226683 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7011 + ... + 54220.

It is an arithmetic number, because the mean of its divisors is an integer number (216853128).

Almost surely, 2^1445357755 is an apocalyptic number.

1445357755 is a deficient number, since it is larger than the sum of its proper divisors (289467269).

1445357755 is an equidigital number, since it uses as much as digits as its factorization.

1445357755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65957.

The product of its digits is 1470000, while the sum is 46.

The square root of 1445357755 is about 38017.8609997985. The cubic root of 1445357755 is about 1130.6420125420.

The spelling of 1445357755 in words is "one billion, four hundred forty-five million, three hundred fifty-seven thousand, seven hundred fifty-five".