146191949 has 8 divisors (see below), whose sum is σ = 151196160. Its totient is φ = 141266736.

The previous prime is 146191943. The next prime is 146191951. The reversal of 146191949 is 949191641.

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 146191949 - 2⁸ = 146191693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146191943) 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, 15974 + ... + 23399.

It is an arithmetic number, because the mean of its divisors is an integer number (18899520).

Almost surely, 2^146191949 is an apocalyptic number.

It is an amenable number.

146191949 is a deficient number, since it is larger than the sum of its proper divisors (5004211).

146191949 is an equidigital number, since it uses as much as digits as its factorization.

146191949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39499.

The product of its digits is 69984, while the sum is 44.

The square root of 146191949 is about 12090.9862707721. The cubic root of 146191949 is about 526.7944029126.

The spelling of 146191949 in words is "one hundred forty-six million, one hundred ninety-one thousand, nine hundred forty-nine".