146737381 has 8 divisors (see below), whose sum is σ = 168769280. Its totient is φ = 124972848.

The previous prime is 146737379. The next prime is 146737397. The reversal of 146737381 is 183737641.

146737381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 146737381 - 2¹ = 146737379 is a prime.

It is a super-2 number, since 2×146737381² = 43063717965478322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146737351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65661 + ... + 67858.

It is an arithmetic number, because the mean of its divisors is an integer number (21096160).

Almost surely, 2^146737381 is an apocalyptic number.

It is an amenable number.

146737381 is a deficient number, since it is larger than the sum of its proper divisors (22031899).

146737381 is a wasteful number, since it uses less digits than its factorization.

146737381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133683.

The product of its digits is 84672, while the sum is 40.

The square root of 146737381 is about 12113.5205865182. The cubic root of 146737381 is about 527.4487342645.

The spelling of 146737381 in words is "one hundred forty-six million, seven hundred thirty-seven thousand, three hundred eighty-one".