45013100 has 72 divisors (see below), whose sum is σ = 107659776. Its totient is φ = 16200000.

The previous prime is 45013099. The next prime is 45013103. The reversal of 45013100 is 131054.

It is a super-2 number, since 2×45013100² = 4052358343220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45013103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165965 + ... + 166235.

Almost surely, 2^45013100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45013100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53829888).

45013100 is an abundant number, since it is smaller than the sum of its proper divisors (62646676).

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

45013100 is a wasteful number, since it uses less digits than its factorization.

45013100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 45013100 is about 6709.1802777985. The cubic root of 45013100 is about 355.7238421390.

Adding to 45013100 its reverse (131054), we get a palindrome (45144154).

The spelling of 45013100 in words is "forty-five million, thirteen thousand, one hundred".