133525501445 has 32 divisors (see below), whose sum is σ = 185316249600. Its totient is φ = 90469013760.

The previous prime is 133525501441. The next prime is 133525501453. The reversal of 133525501445 is 544105525331.

It is not a de Polignac number, because 133525501445 - 2² = 133525501441 is a prime.

It is a super-2 number, since 2×133525501445² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133525501399 and 133525501408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133525501441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 929039 + ... + 1063091.

It is an arithmetic number, because the mean of its divisors is an integer number (5791132800).

Almost surely, 2^133525501445 is an apocalyptic number.

It is an amenable number.

133525501445 is a deficient number, since it is larger than the sum of its proper divisors (51790748155).

133525501445 is a wasteful number, since it uses less digits than its factorization.

133525501445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134405.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 133525501445 in words is "one hundred thirty-three billion, five hundred twenty-five million, five hundred one thousand, four hundred forty-five".