145215026 has 16 divisors (see below), whose sum is σ = 238046688. Its totient is φ = 65889600.

The previous prime is 145215019. The next prime is 145215089. The reversal of 145215026 is 620512541.

145215026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 145214986 and 145215004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7481 + ... + 18611.

It is an arithmetic number, because the mean of its divisors is an integer number (14877918).

Almost surely, 2^145215026 is an apocalyptic number.

145215026 is a deficient number, since it is larger than the sum of its proper divisors (92831662).

145215026 is a wasteful number, since it uses less digits than its factorization.

145215026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11737.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 145215026 is about 12050.5197398287. The cubic root of 145215026 is about 525.6183504772.

Adding to 145215026 its reverse (620512541), we get a palindrome (765727567).

The spelling of 145215026 in words is "one hundred forty-five million, two hundred fifteen thousand, twenty-six".