146621088 has 36 divisors (see below), whose sum is σ = 416954538. Its totient is φ = 48873600.

The previous prime is 146621087. The next prime is 146621117. The reversal of 146621088 is 880126641.

It can be written as a sum of positive squares in only one way, i.e., 146603664 + 17424 = 12108^2 + 132^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (146621087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 254263 + ... + 254838.

Almost surely, 2^146621088 is an apocalyptic number.

146621088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

146621088 is an abundant number, since it is smaller than the sum of its proper divisors (270333450).

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

146621088 is a wasteful number, since it uses less digits than its factorization.

146621088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509117 (or 509106 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 146621088 is about 12108.7195029037. The cubic root of 146621088 is about 527.3093587205.

The spelling of 146621088 in words is "one hundred forty-six million, six hundred twenty-one thousand, eighty-eight".