146949442 has 8 divisors (see below), whose sum is σ = 220745232. Its totient is φ = 73367700.

The previous prime is 146949437. The next prime is 146949449. The reversal of 146949442 is 244949641.

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

It is a super-2 number, since 2×146949442² = 43188277008222728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146949449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51784 + ... + 54547.

It is an arithmetic number, because the mean of its divisors is an integer number (27593154).

Almost surely, 2^146949442 is an apocalyptic number.

146949442 is a deficient number, since it is larger than the sum of its proper divisors (73795790).

146949442 is a wasteful number, since it uses less digits than its factorization.

146949442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107024.

The product of its digits is 248832, while the sum is 43.

The square root of 146949442 is about 12122.2704968995. The cubic root of 146949442 is about 527.7026969720.

The spelling of 146949442 in words is "one hundred forty-six million, nine hundred forty-nine thousand, four hundred forty-two".