145011523255501 has 12 divisors (see below), whose sum is σ = 168687078797052. Its totient is φ = 124295440452288.

The previous prime is 145011523255483. The next prime is 145011523255517. The reversal of 145011523255501 is 105552325110541.

It can be written as a sum of positive squares in 2 ways, for example, as 26260397760100 + 118751125495401 = 5124490^2 + 10897299^2 .

It is not a de Polignac number, because 145011523255501 - 2³¹ = 145009375771853 is a prime.

It is a super-2 number, since 2×145011523255501² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145011523055501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61499751 + ... + 63814123.

It is an arithmetic number, because the mean of its divisors is an integer number (14057256566421).

Almost surely, 2^{145011523255501} is an apocalyptic number.

It is an amenable number.

145011523255501 is a deficient number, since it is larger than the sum of its proper divisors (23675555541551).

145011523255501 is a wasteful number, since it uses less digits than its factorization.

145011523255501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593100 (or 3593093 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 40.

The spelling of 145011523255501 in words is "one hundred forty-five trillion, eleven billion, five hundred twenty-three million, two hundred fifty-five thousand, five hundred one".