146242644 has 24 divisors (see below), whose sum is σ = 341769120. Its totient is φ = 48670944.

The previous prime is 146242637. The next prime is 146242661. The reversal of 146242644 is 446242641.

It is a super-2 number, since 2×146242644² = 42773821848221472, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1339 + ... + 17154.

It is an arithmetic number, because the mean of its divisors is an integer number (14240380).

Almost surely, 2^146242644 is an apocalyptic number.

It is an amenable number.

146242644 is an abundant number, since it is smaller than the sum of its proper divisors (195526476).

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

146242644 is a wasteful number, since it uses less digits than its factorization.

146242644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19159 (or 19157 counting only the distinct ones).

The product of its digits is 36864, while the sum is 33.

The square root of 146242644 is about 12093.0824854542. The cubic root of 146242644 is about 526.8552880619.

The spelling of 146242644 in words is "one hundred forty-six million, two hundred forty-two thousand, six hundred forty-four".