45290164212 has 18 divisors (see below), whose sum is σ = 114483470738. Its totient is φ = 15096721392.

The previous prime is 45290164211. The next prime is 45290164223. The reversal of 45290164212 is 21246109254.

It is a happy number.

45290164212 is a `hidden beast` number, since 4 + 5 + 2 + 9 + 0 + 1 + 642 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 30211306596 + 15078857616 = 173814^2 + 122796^2 .

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

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1258060117 = 45290164212 / (4 + 5 + 2 + 9 + 0 + 1 + 6 + 4 + 2 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45290164211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 629030023 + ... + 629030094.

Almost surely, 2^45290164212 is an apocalyptic number.

It is an amenable number.

45290164212 is an abundant number, since it is smaller than the sum of its proper divisors (69193306526).

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

45290164212 is a wasteful number, since it uses less digits than its factorization.

45290164212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258060127 (or 1258060122 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 45290164212 in words is "forty-five billion, two hundred ninety million, one hundred sixty-four thousand, two hundred twelve".