49967145 has 32 divisors (see below), whose sum is σ = 91900800. Its totient is φ = 25728192.

The previous prime is 49967143. The next prime is 49967147. The reversal of 49967145 is 54176994.

49967145 = T₁₀₇₀ + T₁₀₇₁ + ... + T₁₁₅₀.

49967145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (49967143) and next prime (49967147).

It is not a de Polignac number, because 49967145 - 2¹ = 49967143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49967145.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49967143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2467 + ... + 10296.

It is an arithmetic number, because the mean of its divisors is an integer number (2871900).

Almost surely, 2^49967145 is an apocalyptic number.

49967145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49967145 is a deficient number, since it is larger than the sum of its proper divisors (41933655).

49967145 is a wasteful number, since it uses less digits than its factorization.

49967145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12806 (or 12800 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 49967145 is about 7068.7442307669. The cubic root of 49967145 is about 368.3224396133.

The spelling of 49967145 in words is "forty-nine million, nine hundred sixty-seven thousand, one hundred forty-five".