145018513 has 8 divisors (see below), whose sum is σ = 147371616. Its totient is φ = 142680000.

The previous prime is 145018493. The next prime is 145018529. The reversal of 145018513 is 315810541.

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 145018513 - 2⁵ = 145018481 is a prime.

It is a super-2 number, since 2×145018513² = 42060738225462338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145018543) 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, 17353 + ... + 24313.

It is an arithmetic number, because the mean of its divisors is an integer number (18421452).

Almost surely, 2^145018513 is an apocalyptic number.

It is an amenable number.

145018513 is a deficient number, since it is larger than the sum of its proper divisors (2353103).

145018513 is an equidigital number, since it uses as much as digits as its factorization.

145018513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7295.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 145018513 is about 12042.3632647417. The cubic root of 145018513 is about 525.3811448432.

The spelling of 145018513 in words is "one hundred forty-five million, eighteen thousand, five hundred thirteen".