146454442 has 8 divisors (see below), whose sum is σ = 219786336. Its totient is φ = 73192332.

The previous prime is 146454421. The next prime is 146454449. The reversal of 146454442 is 244454641.

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

It is a junction number, because it is equal to n+sod(n) for n = 146454398 and 146454407.

It is not an unprimeable number, because it can be changed into a prime (146454449) 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, 11838 + ... + 20809.

It is an arithmetic number, because the mean of its divisors is an integer number (27473292).

Almost surely, 2^146454442 is an apocalyptic number.

146454442 is a deficient number, since it is larger than the sum of its proper divisors (73331894).

146454442 is a wasteful number, since it uses less digits than its factorization.

146454442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34892.

The product of its digits is 61440, while the sum is 34.

The square root of 146454442 is about 12101.8363069412. The cubic root of 146454442 is about 527.1095072770.

The spelling of 146454442 in words is "one hundred forty-six million, four hundred fifty-four thousand, four hundred forty-two".