45145205130 has 64 divisors (see below), whose sum is σ = 110305939968. Its totient is φ = 11821877760.

The previous prime is 45145205107. The next prime is 45145205143. The reversal of 45145205130 is 3150254154.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1109119 + ... + 1149101.

It is an arithmetic number, because the mean of its divisors is an integer number (1723530312).

Almost surely, 2^45145205130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45145205130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55152969984).

45145205130 is an abundant number, since it is smaller than the sum of its proper divisors (65160734838).

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

45145205130 is a wasteful number, since it uses less digits than its factorization.

45145205130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40671.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 45145205130 its reverse (3150254154), we get a palindrome (48295459284).

The spelling of 45145205130 in words is "forty-five billion, one hundred forty-five million, two hundred five thousand, one hundred thirty".