145520430 has 64 divisors (see below), whose sum is σ = 401068800. Its totient is φ = 33419520.

The previous prime is 145520423. The next prime is 145520443. The reversal of 145520430 is 34025541.

It is a self number, because there is not a number n which added to its sum of digits gives 145520430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5335 + ... + 17874.

It is an arithmetic number, because the mean of its divisors is an integer number (6266700).

Almost surely, 2^145520430 is an apocalyptic number.

145520430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145520430 is an abundant number, since it is smaller than the sum of its proper divisors (255548370).

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

145520430 is a wasteful number, since it uses less digits than its factorization.

145520430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23249.

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

The square root of 145520430 is about 12063.1849028356. The cubic root of 145520430 is about 525.9865711945.

Adding to 145520430 its reverse (34025541), we get a palindrome (179545971).

The spelling of 145520430 in words is "one hundred forty-five million, five hundred twenty thousand, four hundred thirty".