146274840 has 96 divisors (see below), whose sum is σ = 491821200. Its totient is φ = 37658880.

The previous prime is 146274829. The next prime is 146274841. The reversal of 146274840 is 48472641.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 146274795 and 146274804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146274841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3435 + ... + 17445.

Almost surely, 2^146274840 is an apocalyptic number.

146274840 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 146274840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245910600).

146274840 is an abundant number, since it is smaller than the sum of its proper divisors (345546360).

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

146274840 is a wasteful number, since it uses less digits than its factorization.

146274840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14057 (or 14050 counting only the distinct ones).

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

The square root of 146274840 is about 12094.4135864456. The cubic root of 146274840 is about 526.8939484411.

The spelling of 146274840 in words is "one hundred forty-six million, two hundred seventy-four thousand, eight hundred forty".