146224078 has 32 divisors (see below), whose sum is σ = 294497280. Its totient is φ = 52587360.

The previous prime is 146224069. The next prime is 146224079. The reversal of 146224078 is 870422641.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146224079) 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, 34518 + ... + 38521.

It is an arithmetic number, because the mean of its divisors is an integer number (9203040).

Almost surely, 2^146224078 is an apocalyptic number.

146224078 is an abundant number, since it is smaller than the sum of its proper divisors (148273202).

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

146224078 is a wasteful number, since it uses less digits than its factorization.

146224078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73072.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 146224078 is about 12092.3148321568. The cubic root of 146224078 is about 526.8329917627.

The spelling of 146224078 in words is "one hundred forty-six million, two hundred twenty-four thousand, seventy-eight".