146971650 has 192 divisors, whose sum is σ = 449971200. Its totient is φ = 31000320.

The previous prime is 146971637. The next prime is 146971667. The reversal of 146971650 is 56179641.

It is a junction number, because it is equal to n+sod(n) for n = 146971599 and 146971608.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1057281 + ... + 1057419.

It is an arithmetic number, because the mean of its divisors is an integer number (2343600).

Almost surely, 2^146971650 is an apocalyptic number.

146971650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 146971650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224985600).

146971650 is an abundant number, since it is smaller than the sum of its proper divisors (302999550).

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

146971650 is a wasteful number, since it uses less digits than its factorization.

146971650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 146971650 is about 12123.1864623126. The cubic root of 146971650 is about 527.7292789743.

The spelling of 146971650 in words is "one hundred forty-six million, nine hundred seventy-one thousand, six hundred fifty".