146722536 has 64 divisors (see below), whose sum is σ = 417067200. Its totient is φ = 47767104.

The previous prime is 146722523. The next prime is 146722547. The reversal of 146722536 is 635227641.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 146722536.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1390 + ... + 17186.

It is an arithmetic number, because the mean of its divisors is an integer number (6516675).

Almost surely, 2^146722536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146722536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208533600).

146722536 is an abundant number, since it is smaller than the sum of its proper divisors (270344664).

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

146722536 is a wasteful number, since it uses less digits than its factorization.

146722536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15855 (or 15845 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 146722536 is about 12112.9078259516. The cubic root of 146722536 is about 527.4309468394.

The spelling of 146722536 in words is "one hundred forty-six million, seven hundred twenty-two thousand, five hundred thirty-six".