145416214 has 8 divisors (see below), whose sum is σ = 222765408. Its totient is φ = 71161080.

The previous prime is 145416209. The next prime is 145416221. The reversal of 145416214 is 412614541.

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

It is a super-2 number, since 2×145416214² = 42291750588187592, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773397 + ... + 773584.

It is an arithmetic number, because the mean of its divisors is an integer number (27845676).

Almost surely, 2^145416214 is an apocalyptic number.

145416214 is a deficient number, since it is larger than the sum of its proper divisors (77349194).

145416214 is a wasteful number, since it uses less digits than its factorization.

145416214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547030.

The product of its digits is 3840, while the sum is 28.

The square root of 145416214 is about 12058.8645402459. The cubic root of 145416214 is about 525.8609775867.

The spelling of 145416214 in words is "one hundred forty-five million, four hundred sixteen thousand, two hundred fourteen".