Search a number
-
+
145828934 = 272914467
BaseRepresentation
bin10001011000100…
…10110001000110
3101011101212200122
420230102301012
5244313011214
622245341542
73420345146
oct1054226106
9334355618
10145828934
1175353489
1240a078b2
132429b514
1415520926
15cc0888e
hex8b12c46

145828934 has 4 divisors (see below), whose sum is σ = 218743404. Its totient is φ = 72914466.

The previous prime is 145828919. The next prime is 145828937. The reversal of 145828934 is 439828541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 439828541 = 3301133241.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145828937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36457232 + ... + 36457235.

It is an arithmetic number, because the mean of its divisors is an integer number (54685851).

Almost surely, 2145828934 is an apocalyptic number.

145828934 is a deficient number, since it is larger than the sum of its proper divisors (72914470).

145828934 is an equidigital number, since it uses as much as digits as its factorization.

145828934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72914469.

The product of its digits is 276480, while the sum is 44.

The square root of 145828934 is about 12075.9651374124. The cubic root of 145828934 is about 526.3580068427.

The spelling of 145828934 in words is "one hundred forty-five million, eight hundred twenty-eight thousand, nine hundred thirty-four".

Divisors: 1 2 72914467 145828934