49145250 has 256 divisors, whose sum is σ = 163897344. Its totient is φ = 9504000.

The previous prime is 49145233. The next prime is 49145281. The reversal of 49145250 is 5254194.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1328232 + ... + 1328268.

It is an arithmetic number, because the mean of its divisors is an integer number (640224).

Almost surely, 2^49145250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49145250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81948672).

49145250 is an abundant number, since it is smaller than the sum of its proper divisors (114752094).

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

49145250 is a wasteful number, since it uses less digits than its factorization.

49145250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 49145250 is about 7010.3673227585. The cubic root of 49145250 is about 366.2917885744.

The spelling of 49145250 in words is "forty-nine million, one hundred forty-five thousand, two hundred fifty".