4545452412 has 36 divisors (see below), whose sum is σ = 11503074856. Its totient is φ = 1513412640.

The previous prime is 4545452399. The next prime is 4545452423. The reversal of 4545452412 is 2142545454.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×4545452412² = 41322275259513235488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40414 + ... + 103557.

Almost surely, 2^4545452412 is an apocalyptic number.

It is an amenable number.

4545452412 is an abundant number, since it is smaller than the sum of its proper divisors (6957622444).

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

4545452412 is a wasteful number, since it uses less digits than its factorization.

4545452412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144858 (or 144853 counting only the distinct ones).

The product of its digits is 128000, while the sum is 36.

The square root of 4545452412 is about 67419.9704242000. The cubic root of 4545452412 is about 1656.5035531942.

Adding to 4545452412 its reverse (2142545454), we get a palindrome (6687997866).

The spelling of 4545452412 in words is "four billion, five hundred forty-five million, four hundred fifty-two thousand, four hundred twelve".