145044511 has 8 divisors (see below), whose sum is σ = 148932000. Its totient is φ = 141173760.

The previous prime is 145044469. The next prime is 145044521. The reversal of 145044511 is 115440541.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145044511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145044521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14470 + ... + 22348.

It is an arithmetic number, because the mean of its divisors is an integer number (18616500).

Almost surely, 2^145044511 is an apocalyptic number.

145044511 is a deficient number, since it is larger than the sum of its proper divisors (3887489).

145044511 is an equidigital number, since it uses as much as digits as its factorization.

145044511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8369.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 145044511 is about 12043.4426556529. The cubic root of 145044511 is about 525.4125386346.

The spelling of 145044511 in words is "one hundred forty-five million, forty-four thousand, five hundred eleven".