146153977 has 4 divisors (see below), whose sum is σ = 146809600. Its totient is φ = 145498356.

The previous prime is 146153963. The next prime is 146153989. The reversal of 146153977 is 779351641.

146153977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 779351641 = 97 ⋅8034553.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146153977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146153177) 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, 327477 + ... + 327922.

It is an arithmetic number, because the mean of its divisors is an integer number (36702400).

Almost surely, 2^146153977 is an apocalyptic number.

It is an amenable number.

146153977 is a deficient number, since it is larger than the sum of its proper divisors (655623).

146153977 is an equidigital number, since it uses as much as digits as its factorization.

146153977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655622.

The product of its digits is 158760, while the sum is 43.

The square root of 146153977 is about 12089.4159081405. The cubic root of 146153977 is about 526.7487889798.

The spelling of 146153977 in words is "one hundred forty-six million, one hundred fifty-three thousand, nine hundred seventy-seven".