146620655 has 4 divisors (see below), whose sum is σ = 175944792. Its totient is φ = 117296520.

The previous prime is 146620601. The next prime is 146620657. The reversal of 146620655 is 556026641.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 146620655 - 2¹⁶ = 146555119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146620657) 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, 14662061 + ... + 14662070.

It is an arithmetic number, because the mean of its divisors is an integer number (43986198).

Almost surely, 2^146620655 is an apocalyptic number.

146620655 is a deficient number, since it is larger than the sum of its proper divisors (29324137).

146620655 is an equidigital number, since it uses as much as digits as its factorization.

146620655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29324136.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 146620655 is about 12108.7016232130. The cubic root of 146620655 is about 527.3088396383.

The spelling of 146620655 in words is "one hundred forty-six million, six hundred twenty thousand, six hundred fifty-five".