45213102 has 36 divisors (see below), whose sum is σ = 107682120. Its totient is φ = 13700280.

The previous prime is 45213089. The next prime is 45213109. The reversal of 45213102 is 20131254.

It is a super-3 number, since 3×45213102³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45213109) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8202 + ... + 12557.

It is an arithmetic number, because the mean of its divisors is an integer number (2991170).

Almost surely, 2^45213102 is an apocalyptic number.

45213102 is an abundant number, since it is smaller than the sum of its proper divisors (62469018).

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

45213102 is a wasteful number, since it uses less digits than its factorization.

45213102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20789 (or 20775 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 45213102 is about 6724.0688574702. The cubic root of 45213102 is about 356.2499139427.

Adding to 45213102 its reverse (20131254), we get a palindrome (65344356).

The spelling of 45213102 in words is "forty-five million, two hundred thirteen thousand, one hundred two".