145045555 has 8 divisors (see below), whose sum is σ = 175849632. Its totient is φ = 114839808.

The previous prime is 145045543. The next prime is 145045561. The reversal of 145045555 is 555540541.

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 145045555 - 2¹³ = 145037363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145045555.

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, 149047 + ... + 150016.

It is an arithmetic number, because the mean of its divisors is an integer number (21981204).

Almost surely, 2^145045555 is an apocalyptic number.

145045555 is a deficient number, since it is larger than the sum of its proper divisors (30804077).

145045555 is an equidigital number, since it uses as much as digits as its factorization.

145045555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299165.

The product of its (nonzero) digits is 50000, while the sum is 34.

The square root of 145045555 is about 12043.4859986633. The cubic root of 145045555 is about 525.4137992347.

The spelling of 145045555 in words is "one hundred forty-five million, forty-five thousand, five hundred fifty-five".