45146532420 has 144 divisors (see below), whose sum is σ = 154545693120. Its totient is φ = 10567200000.

The previous prime is 45146532419. The next prime is 45146532427. The reversal of 45146532420 is 2423564154.

45146532420 is a `hidden beast` number, since 45 + 1 + 46 + 532 + 42 + 0 = 666.

It is a super-2 number, since 2×45146532420² (a number of 22 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (45146532427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 335706 + ... + 450545.

It is an arithmetic number, because the mean of its divisors is an integer number (1073233980).

Almost surely, 2^45146532420 is an apocalyptic number.

It is an amenable number.

45146532420 is an abundant number, since it is smaller than the sum of its proper divisors (109399160700).

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

45146532420 is a wasteful number, since it uses less digits than its factorization.

45146532420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786306 (or 786301 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 45146532420 in words is "forty-five billion, one hundred forty-six million, five hundred thirty-two thousand, four hundred twenty".