145301518 has 4 divisors (see below), whose sum is σ = 217952280. Its totient is φ = 72650758.

The previous prime is 145301509. The next prime is 145301521. The reversal of 145301518 is 815103541.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×145301518² = 42225062266208648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36325378 + ... + 36325381.

It is an arithmetic number, because the mean of its divisors is an integer number (54488070).

Almost surely, 2^145301518 is an apocalyptic number.

145301518 is a deficient number, since it is larger than the sum of its proper divisors (72650762).

145301518 is an equidigital number, since it uses as much as digits as its factorization.

145301518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72650761.

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

The square root of 145301518 is about 12054.1079304941. The cubic root of 145301518 is about 525.7226848580.

The spelling of 145301518 in words is "one hundred forty-five million, three hundred one thousand, five hundred eighteen".