146109690 has 64 divisors (see below), whose sum is σ = 392785920. Its totient is φ = 38646720.

The previous prime is 146109683. The next prime is 146109697. The reversal of 146109690 is 96901641.

It is an interprime number because it is at equal distance from previous prime (146109683) and next prime (146109697).

It is a super-2 number, since 2×146109690² = 42696083023792200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146109697) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32160 + ... + 36420.

It is an arithmetic number, because the mean of its divisors is an integer number (6137280).

Almost surely, 2^146109690 is an apocalyptic number.

146109690 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 146109690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196392960).

146109690 is an abundant number, since it is smaller than the sum of its proper divisors (246676230).

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

146109690 is a wasteful number, since it uses less digits than its factorization.

146109690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404 (or 4398 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 146109690 is about 12087.5841258706. The cubic root of 146109690 is about 526.6955791601.

The spelling of 146109690 in words is "one hundred forty-six million, one hundred nine thousand, six hundred ninety".