146770740 has 144 divisors (see below), whose sum is σ = 475937280. Its totient is φ = 36529920.

The previous prime is 146770717. The next prime is 146770753. The reversal of 146770740 is 47077641.

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 = 146770695 and 146770704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 161367 + ... + 162273.

It is an arithmetic number, because the mean of its divisors is an integer number (3305120).

Almost surely, 2^146770740 is an apocalyptic number.

146770740 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 146770740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237968640).

146770740 is an abundant number, since it is smaller than the sum of its proper divisors (329166540).

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

146770740 is a wasteful number, since it uses less digits than its factorization.

146770740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 146770740 is about 12114.8974407545. The cubic root of 146770740 is about 527.4887009701.

The spelling of 146770740 in words is "one hundred forty-six million, seven hundred seventy thousand, seven hundred forty".