145024530 has 96 divisors (see below), whose sum is σ = 420038784. Its totient is φ = 31387392.

The previous prime is 145024513. The next prime is 145024543. The reversal of 145024530 is 35420541.

It is a super-2 number, since 2×145024530² = 42064228603441800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145024530.

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 47 ways as a sum of consecutive naturals, for example, 74854 + ... + 76766.

It is an arithmetic number, because the mean of its divisors is an integer number (4375404).

Almost surely, 2^145024530 is an apocalyptic number.

145024530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145024530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210019392).

145024530 is an abundant number, since it is smaller than the sum of its proper divisors (275014254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145024530 is a wasteful number, since it uses less digits than its factorization.

145024530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968 (or 1949 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 145024530 is about 12042.6130885286. The cubic root of 145024530 is about 525.3884109836.

The spelling of 145024530 in words is "one hundred forty-five million, twenty-four thousand, five hundred thirty".