145526530 has 8 divisors (see below), whose sum is σ = 261947772. Its totient is φ = 58210608.

The previous prime is 145526519. The next prime is 145526569. The reversal of 145526530 is 35625541.

It can be written as a sum of positive squares in 2 ways, for example, as 141633801 + 3892729 = 11901^2 + 1973^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 145526492 and 145526501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7276317 + ... + 7276336.

Almost surely, 2^145526530 is an apocalyptic number.

145526530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145526530 is a deficient number, since it is larger than the sum of its proper divisors (116421242).

145526530 is a wasteful number, since it uses less digits than its factorization.

145526530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14552660.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 145526530 is about 12063.4377355711. The cubic root of 145526530 is about 525.9939206167.

The spelling of 145526530 in words is "one hundred forty-five million, five hundred twenty-six thousand, five hundred thirty".