145758737 has 2 divisors, whose sum is σ = 145758738. Its totient is φ = 145758736.

The previous prime is 145758721. The next prime is 145758761. The reversal of 145758737 is 737857541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115111441 + 30647296 = 10729^2 + 5536^2 .

It is a cyclic number.

It is not a de Polignac number, because 145758737 - 2⁴ = 145758721 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 145758691 and 145758700.

It is not a weakly prime, because it can be changed into another prime (145758037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72879368 + 72879369.

It is an arithmetic number, because the mean of its divisors is an integer number (72879369).

Almost surely, 2^145758737 is an apocalyptic number.

It is an amenable number.

145758737 is a deficient number, since it is larger than the sum of its proper divisors (1).

145758737 is an equidigital number, since it uses as much as digits as its factorization.

145758737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 823200, while the sum is 47.

The square root of 145758737 is about 12073.0583117949. The cubic root of 145758737 is about 526.2735364471.

The spelling of 145758737 in words is "one hundred forty-five million, seven hundred fifty-eight thousand, seven hundred thirty-seven".