146144549 has 8 divisors (see below), whose sum is σ = 148949760. Its totient is φ = 143363376.

The previous prime is 146144533. The next prime is 146144567. The reversal of 146144549 is 945441641.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 146144549 - 2⁴ = 146144533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146144519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6512 + ... + 18294.

It is an arithmetic number, because the mean of its divisors is an integer number (18618720).

Almost surely, 2^146144549 is an apocalyptic number.

It is an amenable number.

146144549 is a deficient number, since it is larger than the sum of its proper divisors (2805211).

146144549 is a wasteful number, since it uses less digits than its factorization.

146144549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12019.

The product of its digits is 69120, while the sum is 38.

The square root of 146144549 is about 12089.0259739981. The cubic root of 146144549 is about 526.7374623537.

The spelling of 146144549 in words is "one hundred forty-six million, one hundred forty-four thousand, five hundred forty-nine".