146377553 has 6 divisors (see below), whose sum is σ = 170275986. Its totient is φ = 125466432.

The previous prime is 146377507. The next prime is 146377579. The reversal of 146377553 is 355773641.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 85895824 + 60481729 = 9268^2 + 7777^2 .

It is not a de Polignac number, because 146377553 - 2¹⁶ = 146312017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 146377553.

It is not an unprimeable number, because it can be changed into a prime (146877553) 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 5 ways as a sum of consecutive naturals, for example, 1493600 + ... + 1493697.

It is an arithmetic number, because the mean of its divisors is an integer number (28379331).

Almost surely, 2^146377553 is an apocalyptic number.

It is an amenable number.

146377553 is a deficient number, since it is larger than the sum of its proper divisors (23898433).

146377553 is an equidigital number, since it uses as much as digits as its factorization.

146377553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987311 (or 2987304 counting only the distinct ones).

The product of its digits is 264600, while the sum is 41.

The square root of 146377553 is about 12098.6591405825. The cubic root of 146377553 is about 527.0172464642.

The spelling of 146377553 in words is "one hundred forty-six million, three hundred seventy-seven thousand, five hundred fifty-three".