42247154 has 8 divisors (see below), whose sum is σ = 63468588. Its totient is φ = 21090960.

The previous prime is 42247147. The next prime is 42247187. The reversal of 42247154 is 45174224.

It can be written as a sum of positive squares in 2 ways, for example, as 38105929 + 4141225 = 6173^2 + 2035^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14657 + ... + 17300.

Almost surely, 2^42247154 is an apocalyptic number.

42247154 is a deficient number, since it is larger than the sum of its proper divisors (21221434).

42247154 is a wasteful number, since it uses less digits than its factorization.

42247154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32620.

The product of its digits is 8960, while the sum is 29.

The square root of 42247154 is about 6499.7810732362. The cubic root of 42247154 is about 348.2831678150.

The spelling of 42247154 in words is "forty-two million, two hundred forty-seven thousand, one hundred fifty-four".