146159840 has 48 divisors (see below), whose sum is σ = 346223808. Its totient is φ = 58308096.

The previous prime is 146159821. The next prime is 146159851. The reversal of 146159840 is 48951641.

It is a junction number, because it is equal to n+sod(n) for n = 146159794 and 146159803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73094 + ... + 75066.

It is an arithmetic number, because the mean of its divisors is an integer number (7212996).

Almost surely, 2^146159840 is an apocalyptic number.

146159840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146159840 is an abundant number, since it is smaller than the sum of its proper divisors (200063968).

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

146159840 is a wasteful number, since it uses less digits than its factorization.

146159840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451 (or 2443 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 146159840 is about 12089.6583905419. The cubic root of 146159840 is about 526.7558324348.

The spelling of 146159840 in words is "one hundred forty-six million, one hundred fifty-nine thousand, eight hundred forty".