146191937 has 8 divisors (see below), whose sum is σ = 149990400. Its totient is φ = 142404640.

The previous prime is 146191919. The next prime is 146191943. The reversal of 146191937 is 739191641.

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 146191937 - 2¹⁴ = 146175553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146191894 and 146191903.

It is not an unprimeable number, because it can be changed into a prime (146191907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28064 + ... + 32862.

It is an arithmetic number, because the mean of its divisors is an integer number (18748800).

Almost surely, 2^146191937 is an apocalyptic number.

It is an amenable number.

146191937 is a deficient number, since it is larger than the sum of its proper divisors (3798463).

146191937 is an equidigital number, since it uses as much as digits as its factorization.

146191937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5583.

The product of its digits is 40824, while the sum is 41.

The square root of 146191937 is about 12090.9857745347. The cubic root of 146191937 is about 526.7943884989.

The spelling of 146191937 in words is "one hundred forty-six million, one hundred ninety-one thousand, nine hundred thirty-seven".