146140722 has 72 divisors (see below), whose sum is σ = 391906944. Its totient is φ = 38536992.

The previous prime is 146140681. The next prime is 146140739. The reversal of 146140722 is 227041641.

It is a super-2 number, since 2×146140722² = 42714221253362568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17863 + ... + 24725.

It is an arithmetic number, because the mean of its divisors is an integer number (5443152).

Almost surely, 2^146140722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146140722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195953472).

146140722 is an abundant number, since it is smaller than the sum of its proper divisors (245766222).

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

146140722 is a wasteful number, since it uses less digits than its factorization.

146140722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6904 (or 6888 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 146140722 is about 12088.8676889111. The cubic root of 146140722 is about 526.7328645271.

The spelling of 146140722 in words is "one hundred forty-six million, one hundred forty thousand, seven hundred twenty-two".