145240037 has 2 divisors, whose sum is σ = 145240038. Its totient is φ = 145240036.

The previous prime is 145240019. The next prime is 145240049. The reversal of 145240037 is 730042541.

145240037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97436641 + 47803396 = 9871^2 + 6914^2 .

It is a cyclic number.

It is not a de Polignac number, because 145240037 - 2¹² = 145235941 is a prime.

It is a super-2 number, since 2×145240037² = 42189336695522738, which contains 22 as substring.

It is a Chen prime.

It is equal to p_8191322 and since 145240037 and 8191322 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 145239988 and 145240015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145240097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72620018 + 72620019.

It is an arithmetic number, because the mean of its divisors is an integer number (72620019).

Almost surely, 2^145240037 is an apocalyptic number.

It is an amenable number.

145240037 is a deficient number, since it is larger than the sum of its proper divisors (1).

145240037 is an equidigital number, since it uses as much as digits as its factorization.

145240037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 145240037 is about 12051.5574512177. The cubic root of 145240037 is about 525.6485252377.

Adding to 145240037 its reverse (730042541), we get a palindrome (875282578).

The spelling of 145240037 in words is "one hundred forty-five million, two hundred forty thousand, thirty-seven".