145456214 has 8 divisors (see below), whose sum is σ = 218341920. Its totient is φ = 72675576.

The previous prime is 145456193. The next prime is 145456219. The reversal of 145456214 is 412654541.

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

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145456219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22709 + ... + 28400.

It is an arithmetic number, because the mean of its divisors is an integer number (27292740).

Almost surely, 2^145456214 is an apocalyptic number.

145456214 is a deficient number, since it is larger than the sum of its proper divisors (72885706).

145456214 is a wasteful number, since it uses less digits than its factorization.

145456214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52534.

The product of its digits is 19200, while the sum is 32.

The square root of 145456214 is about 12060.5229571524. The cubic root of 145456214 is about 525.9091897957.

The spelling of 145456214 in words is "one hundred forty-five million, four hundred fifty-six thousand, two hundred fourteen".