146591742 has 48 divisors (see below), whose sum is σ = 336309120. Its totient is φ = 42485520.

The previous prime is 146591737. The next prime is 146591747. The reversal of 146591742 is 247195641.

It is an interprime number because it is at equal distance from previous prime (146591737) and next prime (146591747).

It is a self number, because there is not a number n which added to its sum of digits gives 146591742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146591747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12309 + ... + 21087.

It is an arithmetic number, because the mean of its divisors is an integer number (7006440).

Almost surely, 2^146591742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146591742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168154560).

146591742 is an abundant number, since it is smaller than the sum of its proper divisors (189717378).

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

146591742 is a wasteful number, since it uses less digits than its factorization.

146591742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8829 (or 8818 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 146591742 is about 12107.5076708627. The cubic root of 146591742 is about 527.2741763031.

The spelling of 146591742 in words is "one hundred forty-six million, five hundred ninety-one thousand, seven hundred forty-two".