145187210 has 16 divisors (see below), whose sum is σ = 298670976. Its totient is φ = 49778448.

The previous prime is 145187209. The next prime is 145187219. The reversal of 145187210 is 12781541.

It is not an unprimeable number, because it can be changed into a prime (145187219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1036982 + ... + 1037121.

It is an arithmetic number, because the mean of its divisors is an integer number (18666936).

Almost surely, 2^145187210 is an apocalyptic number.

145187210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145187210 is an abundant number, since it is smaller than the sum of its proper divisors (153483766).

145187210 is a wasteful number, since it uses less digits than its factorization.

145187210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074117.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 145187210 is about 12049.3655434633. The cubic root of 145187210 is about 525.5847875279.

The spelling of 145187210 in words is "one hundred forty-five million, one hundred eighty-seven thousand, two hundred ten".