145547734133 has 2 divisors, whose sum is σ = 145547734134. Its totient is φ = 145547734132.

The previous prime is 145547734127. The next prime is 145547734183. The reversal of 145547734133 is 331437745541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73548355204 + 71999378929 = 271198^2 + 268327^2 .

It is a cyclic number.

It is not a de Polignac number, because 145547734133 - 2¹² = 145547730037 is a prime.

It is a super-2 number, since 2×145547734133² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145547734103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72773867066 + 72773867067.

It is an arithmetic number, because the mean of its divisors is an integer number (72773867067).

Almost surely, 2^145547734133 is an apocalyptic number.

It is an amenable number.

145547734133 is a deficient number, since it is larger than the sum of its proper divisors (1).

145547734133 is an equidigital number, since it uses as much as digits as its factorization.

145547734133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2116800, while the sum is 47.

The spelling of 145547734133 in words is "one hundred forty-five billion, five hundred forty-seven million, seven hundred thirty-four thousand, one hundred thirty-three".