145758847 has 4 divisors (see below), whose sum is σ = 156971080. Its totient is φ = 134546616.

The previous prime is 145758839. The next prime is 145758883. The reversal of 145758847 is 748857541.

145758847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145758847 - 2³ = 145758839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145758847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145758817) 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, 5606097 + ... + 5606122.

It is an arithmetic number, because the mean of its divisors is an integer number (39242770).

Almost surely, 2^145758847 is an apocalyptic number.

145758847 is a deficient number, since it is larger than the sum of its proper divisors (11212233).

145758847 is a wasteful number, since it uses less digits than its factorization.

145758847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11212232.

The product of its digits is 1254400, while the sum is 49.

The square root of 145758847 is about 12073.0628673920. The cubic root of 145758847 is about 526.2736688350.

The spelling of 145758847 in words is "one hundred forty-five million, seven hundred fifty-eight thousand, eight hundred forty-seven".