45213203172 has 24 divisors (see below), whose sum is σ = 107226942592. Its totient is φ = 14824000800.

The previous prime is 45213203171. The next prime is 45213203201. The reversal of 45213203172 is 27130231254.

It is a super-3 number, since 3×45213203172³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (45213203171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30882604 + ... + 30884067.

Almost surely, 2^45213203172 is an apocalyptic number.

It is an amenable number.

45213203172 is an abundant number, since it is smaller than the sum of its proper divisors (62013739420).

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

45213203172 is a wasteful number, since it uses less digits than its factorization.

45213203172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61766739 (or 61766737 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 45213203172 in words is "forty-five billion, two hundred thirteen million, two hundred three thousand, one hundred seventy-two".