537690145460545 has 96 divisors (see below), whose sum is σ = 823706517085056. Its totient is φ = 333182220134400.

The previous prime is 537690145460527. The next prime is 537690145460549. The reversal of 537690145460545 is 545064541096735.

It is not a de Polignac number, because 537690145460545 - 2⁷ = 537690145460417 is a prime.

It is a super-2 number, since 2×537690145460545² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (537690145460549) 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 95 ways as a sum of consecutive naturals, for example, 354517039 + ... + 356030491.

It is an arithmetic number, because the mean of its divisors is an integer number (8580276219636).

Almost surely, 2^{537690145460545} is an apocalyptic number.

537690145460545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

537690145460545 is a deficient number, since it is larger than the sum of its proper divisors (286016371624511).

537690145460545 is a wasteful number, since it uses less digits than its factorization.

537690145460545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514271 (or 1514264 counting only the distinct ones).

The product of its (nonzero) digits is 272160000, while the sum is 64.

The spelling of 537690145460545 in words is "five hundred thirty-seven trillion, six hundred ninety billion, one hundred forty-five million, four hundred sixty thousand, five hundred forty-five".