146023040 has 64 divisors (see below), whose sum is σ = 351630720. Its totient is φ = 57984000.

The previous prime is 146023027. The next prime is 146023057. The reversal of 146023040 is 40320641.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 95885 + ... + 97395.

It is an arithmetic number, because the mean of its divisors is an integer number (5494230).

Almost surely, 2^146023040 is an apocalyptic number.

146023040 is a gapful number since it is divisible by the number (10) 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 146023040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175815360).

146023040 is an abundant number, since it is smaller than the sum of its proper divisors (205607680).

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

146023040 is a wasteful number, since it uses less digits than its factorization.

146023040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681 (or 1669 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 146023040 is about 12083.9993379675. Note that the first 3 decimals coincide. The cubic root of 146023040 is about 526.5914400558.

Adding to 146023040 its reverse (40320641), we get a palindrome (186343681).

The spelling of 146023040 in words is "one hundred forty-six million, twenty-three thousand, forty".