545421515292 has 18 divisors (see below), whose sum is σ = 1378704385968. Its totient is φ = 181807171752.

The previous prime is 545421515291. The next prime is 545421515293. The reversal of 545421515292 is 292515124545.

545421515292 is a `hidden beast` number, since 5 + 4 + 5 + 42 + 1 + 515 + 2 + 92 = 666.

It is an interprime number because it is at equal distance from previous prime (545421515291) and next prime (545421515293).

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545421515291) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7575298788 + ... + 7575298859.

Almost surely, 2^545421515292 is an apocalyptic number.

It is an amenable number.

545421515292 is an abundant number, since it is smaller than the sum of its proper divisors (833282870676).

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

545421515292 is a wasteful number, since it uses less digits than its factorization.

545421515292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15150597657 (or 15150597652 counting only the distinct ones).

The product of its digits is 720000, while the sum is 45.

The spelling of 545421515292 in words is "five hundred forty-five billion, four hundred twenty-one million, five hundred fifteen thousand, two hundred ninety-two".