145123210 has 16 divisors (see below), whose sum is σ = 262190592. Its totient is φ = 57834000.

The previous prime is 145123081. The next prime is 145123247. The reversal of 145123210 is 12321541.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24066 + ... + 29485.

It is an arithmetic number, because the mean of its divisors is an integer number (16386912).

Almost surely, 2^145123210 is an apocalyptic number.

145123210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145123210 is a deficient number, since it is larger than the sum of its proper divisors (117067382).

145123210 is a wasteful number, since it uses less digits than its factorization.

145123210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53829.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 145123210 is about 12046.7095092394. The cubic root of 145123210 is about 525.5075484694.

Adding to 145123210 its reverse (12321541), we get a palindrome (157444751).

The spelling of 145123210 in words is "one hundred forty-five million, one hundred twenty-three thousand, two hundred ten".