145215030 has 32 divisors (see below), whose sum is σ = 357019488. Its totient is φ = 37779200.

The previous prime is 145215019. The next prime is 145215089. The reversal of 145215030 is 30512541.

It is a junction number, because it is equal to n+sod(n) for n = 145214988 and 145215006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57801 + ... + 60260.

It is an arithmetic number, because the mean of its divisors is an integer number (11156859).

Almost surely, 2^145215030 is an apocalyptic number.

145215030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145215030 is an abundant number, since it is smaller than the sum of its proper divisors (211804458).

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

145215030 is a wasteful number, since it uses less digits than its factorization.

145215030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118112.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 145215030 is about 12050.5199057966. The cubic root of 145215030 is about 525.6183553033.

Adding to 145215030 its reverse (30512541), we get a palindrome (175727571).

The spelling of 145215030 in words is "one hundred forty-five million, two hundred fifteen thousand, thirty".