1365028545 has 8 divisors (see below), whose sum is σ = 2184045696. Its totient is φ = 728015216.

The previous prime is 1365028519. The next prime is 1365028547. The reversal of 1365028545 is 5458205631.

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 1365028545 - 2⁵ = 1365028513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1365028547) 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, 45500937 + ... + 45500966.

It is an arithmetic number, because the mean of its divisors is an integer number (273005712).

Almost surely, 2^1365028545 is an apocalyptic number.

1365028545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1365028545 is a deficient number, since it is larger than the sum of its proper divisors (819017151).

1365028545 is an equidigital number, since it uses as much as digits as its factorization.

1365028545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91001911.

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 1365028545 is about 36946.2927098241. The cubic root of 1365028545 is about 1109.2954826507.

It can be divided in two parts, 13650 and 28545, that added together give a triangular number (42195 = T₂₉₀).

The spelling of 1365028545 in words is "one billion, three hundred sixty-five million, twenty-eight thousand, five hundred forty-five".