146287404 has 48 divisors (see below), whose sum is σ = 382838400. Its totient is φ = 48302928.

The previous prime is 146287399. The next prime is 146287409. The reversal of 146287404 is 404782641.

It is an interprime number because it is at equal distance from previous prime (146287399) and next prime (146287409).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 (146287409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5227 + ... + 17885.

It is an arithmetic number, because the mean of its divisors is an integer number (7975800).

Almost surely, 2^146287404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146287404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191419200).

146287404 is an abundant number, since it is smaller than the sum of its proper divisors (236550996).

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

146287404 is a wasteful number, since it uses less digits than its factorization.

146287404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12779 (or 12771 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 146287404 is about 12094.9329886527. The cubic root of 146287404 is about 526.9090335281.

The spelling of 146287404 in words is "one hundred forty-six million, two hundred eighty-seven thousand, four hundred four".