145914243 has 16 divisors (see below), whose sum is σ = 205370880. Its totient is φ = 91895904.

The previous prime is 145914239. The next prime is 145914253. The reversal of 145914243 is 342419541.

It is not a de Polignac number, because 145914243 - 2² = 145914239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145914233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17830 + ... + 24692.

It is an arithmetic number, because the mean of its divisors is an integer number (12835680).

Almost surely, 2^145914243 is an apocalyptic number.

145914243 is a deficient number, since it is larger than the sum of its proper divisors (59456637).

145914243 is a wasteful number, since it uses less digits than its factorization.

145914243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7258.

The product of its digits is 17280, while the sum is 33.

The square root of 145914243 is about 12079.4968024335. The cubic root of 145914243 is about 526.4606255316.

The spelling of 145914243 in words is "one hundred forty-five million, nine hundred fourteen thousand, two hundred forty-three".