146499552 has 144 divisors (see below), whose sum is σ = 438721920. Its totient is φ = 46310400.

The previous prime is 146499541. The next prime is 146499553. The reversal of 146499552 is 255994641.

146499552 is a `hidden beast` number, since 1 + 4 + 6 + 4 + 99 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 146499498 and 146499507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146499553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 544474 + ... + 544742.

It is an arithmetic number, because the mean of its divisors is an integer number (3046680).

Almost surely, 2^146499552 is an apocalyptic number.

146499552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146499552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219360960).

146499552 is an abundant number, since it is smaller than the sum of its proper divisors (292222368).

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

146499552 is a wasteful number, since it uses less digits than its factorization.

146499552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 366 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 146499552 is about 12103.6999301866. The cubic root of 146499552 is about 527.1636207352.

The spelling of 146499552 in words is "one hundred forty-six million, four hundred ninety-nine thousand, five hundred fifty-two".