145015141761 has 36 divisors (see below), whose sum is σ = 243737130000. Its totient is φ = 82841231088.

The previous prime is 145015141723. The next prime is 145015141771. The reversal of 145015141761 is 167141510541.

145015141761 is a `hidden beast` number, since 1 + 4 + 501 + 5 + 141 + 7 + 6 + 1 = 666.

It is not a de Polignac number, because 145015141761 - 2¹¹ = 145015139713 is a prime.

It is a super-2 number, since 2×145015141761² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145015141771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1496070 + ... + 1590048.

Almost surely, 2^145015141761 is an apocalyptic number.

It is an amenable number.

145015141761 is a deficient number, since it is larger than the sum of its proper divisors (98721988239).

145015141761 is a wasteful number, since it uses less digits than its factorization.

145015141761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97498 (or 97488 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 36.

The spelling of 145015141761 in words is "one hundred forty-five billion, fifteen million, one hundred forty-one thousand, seven hundred sixty-one".