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146444641 = 720920663
BaseRepresentation
bin10001011101010…
…01000101100001
3101012120011021121
420232221011201
5244442212031
622310452241
73425521210
oct1056510541
9335504247
10146444641
1175734032
1241064081
1324455845
1415641077
15cccb011
hex8ba9161

146444641 has 4 divisors (see below), whose sum is σ = 167365312. Its totient is φ = 125523972.

The previous prime is 146444633. The next prime is 146444663.

146444641 is nontrivially palindromic in base 10.

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.

It is not a de Polignac number, because 146444641 - 23 = 146444633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146444597 and 146444606.

It is not an unprimeable number, because it can be changed into a prime (146441641) 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, 10460325 + ... + 10460338.

It is an arithmetic number, because the mean of its divisors is an integer number (41841328).

Almost surely, 2146444641 is an apocalyptic number.

It is an amenable number.

146444641 is a deficient number, since it is larger than the sum of its proper divisors (20920671).

146444641 is an equidigital number, since it uses as much as digits as its factorization.

146444641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20920670.

The product of its digits is 36864, while the sum is 34.

The square root of 146444641 is about 12101.4313616200. The cubic root of 146444641 is about 527.0977486362.

The spelling of 146444641 in words is "one hundred forty-six million, four hundred forty-four thousand, six hundred forty-one".

Divisors: 1 7 20920663 146444641