146109420 has 60 divisors (see below), whose sum is σ = 458355744. Its totient is φ = 38962080.

The previous prime is 146109413. The next prime is 146109437. The reversal of 146109420 is 24901641.

146109420 is a `hidden beast` number, since 1 + 4 + 610 + 9 + 42 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×146109420² = 42695925225472800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 43476 + ... + 46715.

Almost surely, 2^146109420 is an apocalyptic number.

146109420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146109420 is an abundant number, since it is smaller than the sum of its proper divisors (312246324).

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

146109420 is a wasteful number, since it uses less digits than its factorization.

146109420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90212 (or 90201 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 146109420 is about 12087.5729573807. The cubic root of 146109420 is about 526.6952547283.

The spelling of 146109420 in words is "one hundred forty-six million, one hundred nine thousand, four hundred twenty".