145062157 has 2 divisors, whose sum is σ = 145062158. Its totient is φ = 145062156.

The previous prime is 145062143. The next prime is 145062161. The reversal of 145062157 is 751260541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72829156 + 72233001 = 8534^2 + 8499^2 .

It is a cyclic number.

It is not a de Polignac number, because 145062157 - 2¹⁵ = 145029389 is a prime.

It is a super-3 number, since 3×145062157³ (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 (145062107) 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, 72531078 + 72531079.

It is an arithmetic number, because the mean of its divisors is an integer number (72531079).

Almost surely, 2^145062157 is an apocalyptic number.

It is an amenable number.

145062157 is a deficient number, since it is larger than the sum of its proper divisors (1).

145062157 is an equidigital number, since it uses as much as digits as its factorization.

145062157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 145062157 is about 12044.1752312062. The cubic root of 145062157 is about 525.4338448613.

The spelling of 145062157 in words is "one hundred forty-five million, sixty-two thousand, one hundred fifty-seven".