49145500 has 48 divisors (see below), whose sum is σ = 108055584. Its totient is φ = 19526400.

The previous prime is 49145483. The next prime is 49145501. The reversal of 49145500 is 554194.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49145501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113284 + ... + 113716.

It is an arithmetic number, because the mean of its divisors is an integer number (2251158).

Almost surely, 2^49145500 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 49145500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54027792).

49145500 is an abundant number, since it is smaller than the sum of its proper divisors (58910084).

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

49145500 is a wasteful number, since it uses less digits than its factorization.

49145500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 49145500 is about 7010.3851534705. The cubic root of 49145500 is about 366.2924096774.

Adding to 49145500 its reverse (554194), we get a palindrome (49699694).

The spelling of 49145500 in words is "forty-nine million, one hundred forty-five thousand, five hundred".