146358769 has 4 divisors (see below), whose sum is σ = 147701620. Its totient is φ = 145015920.

The previous prime is 146358743. The next prime is 146358803. The reversal of 146358769 is 967853641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 967853641 = 59 ⋅16404299.

It can be written as a sum of positive squares in 2 ways, for example, as 126000625 + 20358144 = 11225^2 + 4512^2 .

It is a cyclic number.

It is not a de Polignac number, because 146358769 - 2⁹ = 146358257 is a prime.

It is a super-2 number, since 2×146358769² = 42841778526390722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146358739) 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 3 ways as a sum of consecutive naturals, for example, 671262 + ... + 671479.

It is an arithmetic number, because the mean of its divisors is an integer number (36925405).

Almost surely, 2^146358769 is an apocalyptic number.

It is an amenable number.

146358769 is a deficient number, since it is larger than the sum of its proper divisors (1342851).

146358769 is a wasteful number, since it uses less digits than its factorization.

146358769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342850.

The product of its digits is 1088640, while the sum is 49.

The square root of 146358769 is about 12097.8828313056. The cubic root of 146358769 is about 526.9947022165.

The spelling of 146358769 in words is "one hundred forty-six million, three hundred fifty-eight thousand, seven hundred sixty-nine".