145730510 has 32 divisors (see below), whose sum is σ = 274838400. Its totient is φ = 55560960.

The previous prime is 145730491. The next prime is 145730527. The reversal of 145730510 is 15037541.

145730510 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×145730510³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 145730510.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19730 + ... + 26090.

It is an arithmetic number, because the mean of its divisors is an integer number (8588700).

Almost surely, 2^145730510 is an apocalyptic number.

145730510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145730510 is a deficient number, since it is larger than the sum of its proper divisors (129107890).

145730510 is a wasteful number, since it uses less digits than its factorization.

145730510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6476.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 145730510 is about 12071.8892473382. The cubic root of 145730510 is about 526.2395623096.

The spelling of 145730510 in words is "one hundred forty-five million, seven hundred thirty thousand, five hundred ten".