42149602 has 8 divisors (see below), whose sum is σ = 68972112. Its totient is φ = 19158900.

The previous prime is 42149561. The next prime is 42149609. The reversal of 42149602 is 20694124.

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

It is not an unprimeable number, because it can be changed into a prime (42149609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957924 + ... + 957967.

It is an arithmetic number, because the mean of its divisors is an integer number (8621514).

Almost surely, 2^42149602 is an apocalyptic number.

42149602 is a deficient number, since it is larger than the sum of its proper divisors (26822510).

42149602 is a wasteful number, since it uses less digits than its factorization.

42149602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915904.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 42149602 is about 6492.2724834991. The cubic root of 42149602 is about 348.0148901455.

The spelling of 42149602 in words is "forty-two million, one hundred forty-nine thousand, six hundred two".