145298847 has 16 divisors (see below), whose sum is σ = 205384032. Its totient is φ = 91054080.

The previous prime is 145298809. The next prime is 145298861. The reversal of 145298847 is 748892541.

It is a happy number.

145298847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145298847 - 2¹¹ = 145296799 is a prime.

It is a super-2 number, since 2×145298847² = 42223509879058818, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145298796 and 145298805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145298807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60897 + ... + 63237.

It is an arithmetic number, because the mean of its divisors is an integer number (12836502).

Almost surely, 2^145298847 is an apocalyptic number.

145298847 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

145298847 is a deficient number, since it is larger than the sum of its proper divisors (60085185).

145298847 is a wasteful number, since it uses less digits than its factorization.

145298847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578.

The product of its digits is 645120, while the sum is 48.

The square root of 145298847 is about 12053.9971378792. The cubic root of 145298847 is about 525.7194634787.

The spelling of 145298847 in words is "one hundred forty-five million, two hundred ninety-eight thousand, eight hundred forty-seven".