145873747 has 2 divisors, whose sum is σ = 145873748. Its totient is φ = 145873746.

The previous prime is 145873733. The next prime is 145873823. The reversal of 145873747 is 747378541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145873747 - 2¹¹ = 145871699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145873697 and 145873706.

It is not a weakly prime, because it can be changed into another prime (145873727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72936873 + 72936874.

It is an arithmetic number, because the mean of its divisors is an integer number (72936874).

Almost surely, 2^145873747 is an apocalyptic number.

145873747 is a deficient number, since it is larger than the sum of its proper divisors (1).

145873747 is an equidigital number, since it uses as much as digits as its factorization.

145873747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 658560, while the sum is 46.

The square root of 145873747 is about 12077.8204573507. The cubic root of 145873747 is about 526.4119176475.

The spelling of 145873747 in words is "one hundred forty-five million, eight hundred seventy-three thousand, seven hundred forty-seven".