146030977 has 4 divisors (see below), whose sum is σ = 146066260. Its totient is φ = 145995696.

The previous prime is 146030893. The next prime is 146030993. The reversal of 146030977 is 779030641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 779030641 = 67 ⋅11627323.

It can be written as a sum of positive squares in 2 ways, for example, as 9585216 + 136445761 = 3096^2 + 11681^2 .

It is a cyclic number.

It is not a de Polignac number, because 146030977 - 2⁷ = 146030849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146030177) 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, 10458 + ... + 20035.

It is an arithmetic number, because the mean of its divisors is an integer number (36516565).

Almost surely, 2^146030977 is an apocalyptic number.

It is an amenable number.

146030977 is a deficient number, since it is larger than the sum of its proper divisors (35283).

146030977 is an equidigital number, since it uses as much as digits as its factorization.

146030977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35282.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 146030977 is about 12084.3277429901. The cubic root of 146030977 is about 526.6009807432.

The spelling of 146030977 in words is "one hundred forty-six million, thirty thousand, nine hundred seventy-seven".