49151242 has 8 divisors (see below), whose sum is σ = 84259296. Its totient is φ = 21064812.

The previous prime is 49151231. The next prime is 49151243. The reversal of 49151242 is 24215194.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 49151242.

It is not an unprimeable number, because it can be changed into a prime (49151243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1755388 + ... + 1755415.

It is an arithmetic number, because the mean of its divisors is an integer number (10532412).

Almost surely, 2^49151242 is an apocalyptic number.

49151242 is a deficient number, since it is larger than the sum of its proper divisors (35108054).

49151242 is a wasteful number, since it uses less digits than its factorization.

49151242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510812.

The product of its digits is 2880, while the sum is 28.

The square root of 49151242 is about 7010.7946767824. The cubic root of 49151242 is about 366.3066745922.

The spelling of 49151242 in words is "forty-nine million, one hundred fifty-one thousand, two hundred forty-two".