145220010 has 48 divisors (see below), whose sum is σ = 377413344. Its totient is φ = 35745216.

The previous prime is 145219979. The next prime is 145220039. The reversal of 145220010 is 10022541.

145220010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9252 + ... + 19391.

It is an arithmetic number, because the mean of its divisors is an integer number (7862778).

Almost surely, 2^145220010 is an apocalyptic number.

145220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145220010 is an abundant number, since it is smaller than the sum of its proper divisors (232193334).

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

145220010 is a wasteful number, since it uses less digits than its factorization.

145220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28679 (or 28666 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 145220010 is about 12050.7265341140. The cubic root of 145220010 is about 525.6243637481.

Adding to 145220010 its reverse (10022541), we get a palindrome (155242551).

The spelling of 145220010 in words is "one hundred forty-five million, two hundred twenty thousand, ten".