145301137 has 2 divisors, whose sum is σ = 145301138. Its totient is φ = 145301136.

The previous prime is 145301131. The next prime is 145301153. The reversal of 145301137 is 731103541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143137296 + 2163841 = 11964^2 + 1471^2 .

It is a cyclic number.

It is not a de Polignac number, because 145301137 - 2¹⁵ = 145268369 is a prime.

It is a super-2 number, since 2×145301137² = 42224840826985538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145301131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72650568 + 72650569.

It is an arithmetic number, because the mean of its divisors is an integer number (72650569).

Almost surely, 2^145301137 is an apocalyptic number.

It is an amenable number.

145301137 is a deficient number, since it is larger than the sum of its proper divisors (1).

145301137 is an equidigital number, since it uses as much as digits as its factorization.

145301137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 145301137 is about 12054.0921267427. The cubic root of 145301137 is about 525.7222253525.

Adding to 145301137 its reverse (731103541), we get a palindrome (876404678).

The spelling of 145301137 in words is "one hundred forty-five million, three hundred one thousand, one hundred thirty-seven".