42693154 has 16 divisors (see below), whose sum is σ = 77493888. Its totient is φ = 17220672.

The previous prime is 42693151. The next prime is 42693163. The reversal of 42693154 is 45139624.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (42693151) 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 7 ways as a sum of consecutive naturals, for example, 89454 + ... + 89929.

It is an arithmetic number, because the mean of its divisors is an integer number (4843368).

Almost surely, 2^42693154 is an apocalyptic number.

42693154 is a deficient number, since it is larger than the sum of its proper divisors (34800734).

42693154 is a wasteful number, since it uses less digits than its factorization.

42693154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179409.

The product of its digits is 25920, while the sum is 34.

The square root of 42693154 is about 6533.9998469544. Note that the first 3 decimals coincide. The cubic root of 42693154 is about 349.5044797397.

The spelling of 42693154 in words is "forty-two million, six hundred ninety-three thousand, one hundred fifty-four".