145887317153 has 2 divisors, whose sum is σ = 145887317154. Its totient is φ = 145887317152.

The previous prime is 145887317099. The next prime is 145887317161. The reversal of 145887317153 is 351713788541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97598133649 + 48289183504 = 312407^2 + 219748^2 .

It is a cyclic number.

It is not a de Polignac number, because 145887317153 - 2¹⁶ = 145887251617 is a prime.

It is a super-2 number, since 2×145887317153² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145887317095 and 145887317104.

It is not a weakly prime, because it can be changed into another prime (145887317053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72943658576 + 72943658577.

It is an arithmetic number, because the mean of its divisors is an integer number (72943658577).

Almost surely, 2^145887317153 is an apocalyptic number.

It is an amenable number.

145887317153 is a deficient number, since it is larger than the sum of its proper divisors (1).

145887317153 is an equidigital number, since it uses as much as digits as its factorization.

145887317153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2822400, while the sum is 53.

The spelling of 145887317153 in words is "one hundred forty-five billion, eight hundred eighty-seven million, three hundred seventeen thousand, one hundred fifty-three".