146742637 has 8 divisors (see below), whose sum is σ = 151965720. Its totient is φ = 141610560.

The previous prime is 146742613. The next prime is 146742641. The reversal of 146742637 is 736247641.

It can be written as a sum of positive squares in 4 ways, for example, as 14699556 + 132043081 = 3834^2 + 11491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146742637 - 2¹¹ = 146740589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146742637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146742647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19462 + ... + 25927.

It is an arithmetic number, because the mean of its divisors is an integer number (18995715).

Almost surely, 2^146742637 is an apocalyptic number.

It is an amenable number.

146742637 is a deficient number, since it is larger than the sum of its proper divisors (5223083).

146742637 is an equidigital number, since it uses as much as digits as its factorization.

146742637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45503.

The product of its digits is 169344, while the sum is 40.

The square root of 146742637 is about 12113.7375322400. The cubic root of 146742637 is about 527.4550317678.

The spelling of 146742637 in words is "one hundred forty-six million, seven hundred forty-two thousand, six hundred thirty-seven".