145053487 has 2 divisors, whose sum is σ = 145053488. Its totient is φ = 145053486.

The previous prime is 145053413. The next prime is 145053521. The reversal of 145053487 is 784350541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145053487 - 2¹⁵ = 145020719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145053787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72526743 + 72526744.

It is an arithmetic number, because the mean of its divisors is an integer number (72526744).

Almost surely, 2^145053487 is an apocalyptic number.

145053487 is the 6954-th hex number.

145053487 is a deficient number, since it is larger than the sum of its proper divisors (1).

145053487 is an equidigital number, since it uses as much as digits as its factorization.

145053487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 145053487 is about 12043.8153008090. The cubic root of 145053487 is about 525.4233767000.

The spelling of 145053487 in words is "one hundred forty-five million, fifty-three thousand, four hundred eighty-seven".