145383047 has 4 divisors (see below), whose sum is σ = 145426440. Its totient is φ = 145339656.

The previous prime is 145383011. The next prime is 145383053. The reversal of 145383047 is 740383541.

145383047 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, and also an emirpimes, since its reverse is a distinct semiprime: 740383541 = 17 ⋅43551973.

It is a cyclic number.

It is not a de Polignac number, because 145383047 - 2²⁴ = 128605831 is a prime.

It is a super-2 number, since 2×145383047² = 42272460710008418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145382998 and 145383016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145383067) 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, 16208 + ... + 23525.

It is an arithmetic number, because the mean of its divisors is an integer number (36356610).

Almost surely, 2^145383047 is an apocalyptic number.

145383047 is a deficient number, since it is larger than the sum of its proper divisors (43393).

145383047 is an equidigital number, since it uses as much as digits as its factorization.

145383047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43392.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 145383047 is about 12057.4892494250. The cubic root of 145383047 is about 525.8209945230.

The spelling of 145383047 in words is "one hundred forty-five million, three hundred eighty-three thousand, forty-seven".