Search a number
-
+
146142463 = 314714273
BaseRepresentation
bin10001011010111…
…11010011111111
3101011222210202211
420231133103333
5244403024323
622300201251
73423122215
oct1055372377
9334883684
10146142463
1175547aa5
1240b39227
132437b13c
14155a2cb5
15cc6b70d
hex8b5f4ff

146142463 has 4 divisors (see below), whose sum is σ = 150856768. Its totient is φ = 141428160.

The previous prime is 146142461. The next prime is 146142467. The reversal of 146142463 is 364241641.

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

It is a cyclic number.

It is not a de Polignac number, because 146142463 - 21 = 146142461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 4714273 = 146142463 / (1 + 4 + 6 + 1 + 4 + 2 + 4 + 6 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146142461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2357106 + ... + 2357167.

It is an arithmetic number, because the mean of its divisors is an integer number (37714192).

Almost surely, 2146142463 is an apocalyptic number.

146142463 is a deficient number, since it is larger than the sum of its proper divisors (4714305).

146142463 is an equidigital number, since it uses as much as digits as its factorization.

146142463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4714304.

The product of its digits is 13824, while the sum is 31.

The square root of 146142463 is about 12088.9396970950. The cubic root of 146142463 is about 526.7349562057.

The spelling of 146142463 in words is "one hundred forty-six million, one hundred forty-two thousand, four hundred sixty-three".

Divisors: 1 31 4714273 146142463