42499154 has 8 divisors (see below), whose sum is σ = 64517040. Its totient is φ = 20993476.

The previous prime is 42499141. The next prime is 42499157. The reversal of 42499154 is 45199424.

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 (42499157) 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, 127844 + ... + 128175.

It is an arithmetic number, because the mean of its divisors is an integer number (8064630).

Almost surely, 2^42499154 is an apocalyptic number.

42499154 is a deficient number, since it is larger than the sum of its proper divisors (22017886).

42499154 is a wasteful number, since it uses less digits than its factorization.

42499154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256104.

The product of its digits is 51840, while the sum is 38.

The square root of 42499154 is about 6519.1375196417. The cubic root of 42499154 is about 348.9742867677.

The spelling of 42499154 in words is "forty-two million, four hundred ninety-nine thousand, one hundred fifty-four".