145124530 has 8 divisors (see below), whose sum is σ = 261224172. Its totient is φ = 58049808.

The previous prime is 145124521. The next prime is 145124561. The reversal of 145124530 is 35421541.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 134490409 + 10634121 = 11597^2 + 3261^2 .

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

It is a super-2 number, since 2×145124530² = 42122258415441800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145124495 and 145124504.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7256217 + ... + 7256236.

Almost surely, 2^145124530 is an apocalyptic number.

145124530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145124530 is a deficient number, since it is larger than the sum of its proper divisors (116099642).

145124530 is a wasteful number, since it uses less digits than its factorization.

145124530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14512460.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 145124530 is about 12046.7642958597. The cubic root of 145124530 is about 525.5091417544.

The spelling of 145124530 in words is "one hundred forty-five million, one hundred twenty-four thousand, five hundred thirty".