145105214 has 8 divisors (see below), whose sum is σ = 221226168. Its totient is φ = 71363160.

The previous prime is 145105199. The next prime is 145105243. The reversal of 145105214 is 412501541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 145105214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594572 + ... + 594815.

It is an arithmetic number, because the mean of its divisors is an integer number (27653271).

Almost surely, 2^145105214 is an apocalyptic number.

145105214 is a deficient number, since it is larger than the sum of its proper divisors (76120954).

145105214 is a wasteful number, since it uses less digits than its factorization.

145105214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189450.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 145105214 is about 12045.9625601278. The cubic root of 145105214 is about 525.4858257214.

Adding to 145105214 its reverse (412501541), we get a palindrome (557606755).

The spelling of 145105214 in words is "one hundred forty-five million, one hundred five thousand, two hundred fourteen".