145314214 has 16 divisors (see below), whose sum is σ = 220147200. Its totient is φ = 71934984.

The previous prime is 145314203. The next prime is 145314217. The reversal of 145314214 is 412413541.

It is a super-2 number, since 2×145314214² = 42232441580875592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145314217) 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, 199519 + ... + 200245.

It is an arithmetic number, because the mean of its divisors is an integer number (13759200).

Almost surely, 2^145314214 is an apocalyptic number.

145314214 is a deficient number, since it is larger than the sum of its proper divisors (74832986).

145314214 is a wasteful number, since it uses less digits than its factorization.

145314214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587.

The product of its digits is 1920, while the sum is 25.

The square root of 145314214 is about 12054.6345444397. The cubic root of 145314214 is about 525.7379964228.

Adding to 145314214 its reverse (412413541), we get a palindrome (557727755).

The spelling of 145314214 in words is "one hundred forty-five million, three hundred fourteen thousand, two hundred fourteen".