146894929 has 4 divisors (see below), whose sum is σ = 146919780. Its totient is φ = 146870080.

The previous prime is 146894927. The next prime is 146894933. The reversal of 146894929 is 929498641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 929498641 = 7057 ⋅131713.

It can be written as a sum of positive squares in 2 ways, for example, as 81721600 + 65173329 = 9040^2 + 8073^2 .

It is a cyclic number.

It is not a de Polignac number, because 146894929 - 2¹ = 146894927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146894927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2109 + ... + 17269.

It is an arithmetic number, because the mean of its divisors is an integer number (36729945).

Almost surely, 2^146894929 is an apocalyptic number.

It is an amenable number.

146894929 is a deficient number, since it is larger than the sum of its proper divisors (24851).

146894929 is an equidigital number, since it uses as much as digits as its factorization.

146894929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24850.

The product of its digits is 1119744, while the sum is 52.

The square root of 146894929 is about 12120.0218234127. The cubic root of 146894929 is about 527.6374359439.

The spelling of 146894929 in words is "one hundred forty-six million, eight hundred ninety-four thousand, nine hundred twenty-nine".