145324747 has 2 divisors, whose sum is σ = 145324748. Its totient is φ = 145324746.

The previous prime is 145324727. The next prime is 145324763. The reversal of 145324747 is 747423541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145324747 - 2¹⁹ = 144800459 is a prime.

It is a super-2 number, since 2×145324747² = 42238564181228018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145324727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72662373 + 72662374.

It is an arithmetic number, because the mean of its divisors is an integer number (72662374).

Almost surely, 2^145324747 is an apocalyptic number.

145324747 is a deficient number, since it is larger than the sum of its proper divisors (1).

145324747 is an equidigital number, since it uses as much as digits as its factorization.

145324747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 37.

The square root of 145324747 is about 12055.0714224346. The cubic root of 145324747 is about 525.7506987005.

The spelling of 145324747 in words is "one hundred forty-five million, three hundred twenty-four thousand, seven hundred forty-seven".