144735513 has 24 divisors (see below), whose sum is σ = 213005184. Its totient is φ = 86862720.

The previous prime is 144735509. The next prime is 144735523. The reversal of 144735513 is 315537441.

It is not a de Polignac number, because 144735513 - 2² = 144735509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144735523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 514933 + ... + 515213.

It is an arithmetic number, because the mean of its divisors is an integer number (8875216).

Almost surely, 2^144735513 is an apocalyptic number.

144735513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

144735513 is a deficient number, since it is larger than the sum of its proper divisors (68269671).

144735513 is an equidigital number, since it uses as much as digits as its factorization.

144735513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 344 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 144735513 is about 12030.6073412775. The cubic root of 144735513 is about 525.0391662390.

The spelling of 144735513 in words is "one hundred forty-four million, seven hundred thirty-five thousand, five hundred thirteen".