146144404 has 12 divisors (see below), whose sum is σ = 292288864. Its totient is φ = 62633304.

The previous prime is 146144399. The next prime is 146144407. The reversal of 146144404 is 404441641.

146144404 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 5219443 = 146144404 / (1 + 4 + 6 + 1 + 4 + 4 + 4 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146144407) 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, 2609694 + ... + 2609749.

Almost surely, 2^146144404 is an apocalyptic number.

146144404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

146144404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146144404 is a wasteful number, since it uses less digits than its factorization.

146144404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5219454 (or 5219452 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 146144404 is about 12089.0199768219. The cubic root of 146144404 is about 526.7372881495.

The spelling of 146144404 in words is "one hundred forty-six million, one hundred forty-four thousand, four hundred four".