145150237 has 2 divisors, whose sum is σ = 145150238. Its totient is φ = 145150236.

The previous prime is 145150211. The next prime is 145150261. The reversal of 145150237 is 732051541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143496441 + 1653796 = 11979^2 + 1286^2 .

It is a cyclic number.

It is not a de Polignac number, because 145150237 - 2¹¹ = 145148189 is a prime.

It is a super-3 number, since 3×145150237³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145154237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72575118 + 72575119.

It is an arithmetic number, because the mean of its divisors is an integer number (72575119).

Almost surely, 2^145150237 is an apocalyptic number.

It is an amenable number.

145150237 is a deficient number, since it is larger than the sum of its proper divisors (1).

145150237 is an equidigital number, since it uses as much as digits as its factorization.

145150237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 145150237 is about 12047.8312156172. The cubic root of 145150237 is about 525.5401690519.

The spelling of 145150237 in words is "one hundred forty-five million, one hundred fifty thousand, two hundred thirty-seven".