149015242 has 8 divisors (see below), whose sum is σ = 223679232. Its totient is φ = 74455500.

The previous prime is 149015227. The next prime is 149015249. The reversal of 149015242 is 242510941.

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

It is a super-4 number, since 4×149015242⁴ (a number of 34 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 149015242.

It is not an unprimeable number, because it can be changed into a prime (149015249) 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 3 ways as a sum of consecutive naturals, for example, 22384 + ... + 28267.

It is an arithmetic number, because the mean of its divisors is an integer number (27959904).

Almost surely, 2^149015242 is an apocalyptic number.

149015242 is a deficient number, since it is larger than the sum of its proper divisors (74663990).

149015242 is a wasteful number, since it uses less digits than its factorization.

149015242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52124.

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

The square root of 149015242 is about 12207.1799364145. The cubic root of 149015242 is about 530.1639957674.

The spelling of 149015242 in words is "one hundred forty-nine million, fifteen thousand, two hundred forty-two".