145167557 has 2 divisors, whose sum is σ = 145167558. Its totient is φ = 145167556.

The previous prime is 145167551. The next prime is 145167563. The reversal of 145167557 is 755761541.

It is a balanced prime because it is at equal distance from previous prime (145167551) and next prime (145167563).

It can be written as a sum of positive squares in only one way, i.e., 122567041 + 22600516 = 11071^2 + 4754^2 .

It is a cyclic number.

It is not a de Polignac number, because 145167557 - 2¹² = 145163461 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145167551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72583778 + 72583779.

It is an arithmetic number, because the mean of its divisors is an integer number (72583779).

Almost surely, 2^145167557 is an apocalyptic number.

It is an amenable number.

145167557 is a deficient number, since it is larger than the sum of its proper divisors (1).

145167557 is an equidigital number, since it uses as much as digits as its factorization.

145167557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147000, while the sum is 41.

The square root of 145167557 is about 12048.5499957464. The cubic root of 145167557 is about 525.5610715180.

The spelling of 145167557 in words is "one hundred forty-five million, one hundred sixty-seven thousand, five hundred fifty-seven".