146942149 has 8 divisors (see below), whose sum is σ = 148905432. Its totient is φ = 144990720.

The previous prime is 146942119. The next prime is 146942167. The reversal of 146942149 is 941249641.

It can be written as a sum of positive squares in 4 ways, for example, as 5094049 + 141848100 = 2257^2 + 11910^2 .

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 146942149 - 2²⁵ = 113387717 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 (146942119) 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, 23539 + ... + 29119.

It is an arithmetic number, because the mean of its divisors is an integer number (18613179).

Almost surely, 2^146942149 is an apocalyptic number.

It is an amenable number.

146942149 is a deficient number, since it is larger than the sum of its proper divisors (1963283).

146942149 is a wasteful number, since it uses less digits than its factorization.

146942149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5927.

The product of its digits is 62208, while the sum is 40.

The square root of 146942149 is about 12121.9696831827. The cubic root of 146942149 is about 527.6939669867.

The spelling of 146942149 in words is "one hundred forty-six million, nine hundred forty-two thousand, one hundred forty-nine".