537145518 has 32 divisors (see below), whose sum is σ = 1322205696. Its totient is φ = 141664608.

The previous prime is 537145517. The next prime is 537145529. The reversal of 537145518 is 815541735.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537145517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491346 + ... + 492437.

It is an arithmetic number, because the mean of its divisors is an integer number (41318928).

Almost surely, 2^537145518 is an apocalyptic number.

537145518 is an abundant number, since it is smaller than the sum of its proper divisors (785060178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

537145518 is a wasteful number, since it uses less digits than its factorization.

537145518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983808.

The product of its digits is 84000, while the sum is 39.

The square root of 537145518 is about 23176.4000224366. The cubic root of 537145518 is about 812.8878869986.

The spelling of 537145518 in words is "five hundred thirty-seven million, one hundred forty-five thousand, five hundred eighteen".